# 第四部分 命令

掌握 Linux 命令是编写有效的 shell 脚本必不可少的序曲。

本章节涉及了下列的命令：

* [`.`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/part2/03_special_characters#.)（也可以参阅 [`source`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins#source--点命令))
* [`ac`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#ac)
* [`adduser`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#useradd-userdel)
* [`agetty`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#getty-agetty)
* [`agrep`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#grep)
* [`ar`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#ar)
* [`arch`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#arch)
* [`at`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_3_time_date_commands#at)
* [`autoload`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins/15_1_job_control_commands#autoload)
* [`awk`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#sed-awk)（参考 [使用 `awk` 进行数学运算](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_8_math_commands#awk)）
* [`badblocks`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#badblocks)
* [`banner`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_9_miscellaneous_commands#banner)
* [`basename`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#basename)
* [`batch`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_3_time_date_commands#batch)
* [`bc`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_8_math_commands#bc)
* [`bg`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins/15_1_job_control_commands#fg-bg)
* [`bind`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins#bind)
* [`bison`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#lex-yacc)
* [`builtin`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins/15_1_job_control_commands#builtin)
* [`bzgrep`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#look)
* [`bzip2`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#bzip2)
* [`cal`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_3_time_date_commands#cal)
* [`caller`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins#caller)
* [`cat`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_1_basic_commands#cat-tac)
* [`cd`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins#cd)
* [`chattr`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_1_basic_commands#chattr)
* [`chfn`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#chfn)
* [`chgrp`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#chown-chgrp)
* [`chkconfig`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#chkconfig)
* [`chmod`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_1_basic_commands#chmod)
* [`chown`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#chown-chgrp)
* [`chroot`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#chroot)
* [`cksum`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#sum-cksum-md5sum-sha1sum)
* [`clear`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_7_terminal_control_commands#clear)
* [`clock`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_3_time_date_commands#hwclock-clock)
* [`cmp`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#cmp)
* [`col`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#col)
* [`colrm`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#colrm)
* [`column`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#column)
* [`comm`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#comm)
* [`command`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins/15_1_job_control_commands#command)
* [`compgen`](https://github.com/LinuxStory/Advanced-Bash-Scripting-Guide-in-Chinese/blob/master/source/appendix/J_an_introduction_to_programmable_completion/README.md)
* [`complete`](https://github.com/LinuxStory/Advanced-Bash-Scripting-Guide-in-Chinese/blob/master/source/appendix/J_an_introduction_to_programmable_completion/README.md)
* [`compress`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#compress-uncompress)
* [`coproc`](https://github.com/LinuxStory/Advanced-Bash-Scripting-Guide-in-Chinese/blob/master/source/part5/37_bash,%20versions%202,%203,%20and%204/37_3_bash_version4.md)
* [`cp`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_1_basic_commands#cp)
* [`cpio`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#cpio)
* [`cron`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#cron)
* [`crypt`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#crypt)
* [`csplit`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#split-csplit)
* [`cu`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#uucp-uux-cu)
* [`cut`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#cut)
* [`date`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_3_time_date_commands#date)
* [`dc`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_8_math_commands#dc)
* [`dd`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_9_miscellaneous_commands#dd)
* [`debugfs`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#fsck-e2fsck-debugfs)
* [`declare`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/part3/09_another_look_at_variables/09_2_typing_variables_declare_or_typeset#declaretypeset-命令选项)
* [`depmod`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#depmod)
* [`df`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#df)
* [`dialog`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_9_miscellaneous_commands#dialog)
* [`diff`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#diff-patch)
* [`diff3`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#diff3-merge)
* [`diffstat`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#diff3-merge)
* [`dig`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#dig)
* [`dirname`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#dirname)
* [`dirs`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins#pushd-popd-dirs)
* [`disown`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins/15_1_job_control_commands#disown)
* [`dmesg`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#dmesg)
* [`doexec`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_9_miscellaneous_commands#doexec)
* [`dos2unix`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#dos2unix)
* [`du`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#du)
* [`dump`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#dump-restore)
* [`dumpe2fs`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#dumpe2fs)
* [`e2fsck`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#fsck-e2fsck-debugfs)
* [`echo`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins#echo)
* [`egrep`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#grep)
* [`enable`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins/15_1_job_control_commands#enable)
* [`enscript`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#enscript)
* [`env`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#env)
* [`eqn`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#groff-tbl-eqn)
* [`eval`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins#eval)
* [`exec`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins#exec)
* [`exit`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins#exit)（相关话题：[退出状态](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/part2/06_exit_and_exit_status)）
* [`expand`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#expand-unexpand)
* [`export`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins#export)
* [`expr`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_2_complex_commands#expr)
* [`factor`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_8_math_commands#factor)
* [`false`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins#false)
* [`fdformat`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#fdformat)
* [`fdisk`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#fdisk)
* [`fg`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins/15_1_job_control_commands#fg-bg)
* [`fgrep`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#grep)
* [`file`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#file)
* [`find`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_2_complex_commands#find)
* [`finger`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#finger)
* [`flex`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#lex-yacc)
* [`flock`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#flock)
* [`fmt`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#fmt)
* [`fold`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#fold)
* [`free`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#free)
* [`fsck`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#fsck-e2fsck-debugfs)
* [`ftp`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#ftp)
* [`fuser`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#fuser)
* [`getfacl`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#getfacl-setfacl)
* [`getopt`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_9_miscellaneous_commands#getopt)
* [`getopts`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins#getopts)
* [`gettext`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#gettext)
* [`getty`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#getty-agetty)
* [`gnome-mount`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#gnome-mount)
* [`grep`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#grep)
* [`groff`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#groff-tbl-eqn)
* [`groupmod`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#groupmod)
* [`groups`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#groups)（相关话题：变量 [`$GROUPS`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/part3/09_another_look_at_variables/09_1_internal_variables#$GROUPS)）
* [`gs`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#TeX-gs)
* [`gzip`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#gzip)
* [`halt`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#halt-shutdown-reboot)
* [`hash`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins#hash-cmds)
* [`hdparm`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#hdparm)
* [`head`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#head)
* [`help`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins#help)
* [`hexdump`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_9_miscellaneous_commands#hexdump)
* [`host`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#host)
* [`hostid`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#hostid)
* [`hostname`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#hostname)（相关话题：变量 [`$HOSTNAME`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/part3/09_another_look_at_variables/09_1_internal_variables#$HOSTNAME)）
* [`hwclock`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_3_time_date_commands#hwclock-clock)
* [`iconv`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#iconv)
* [`id`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#id)（相关话题：变量 [`$UID`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/part3/09_another_look_at_variables/09_1_internal_variables#$UID)）
* [`ifconfig`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#ifconfig)
* [`info`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_1_basic_commands#man-info)
* [`infocmp`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_7_terminal_control_commands#infocmp)
* [`init`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#init)
* [`insmod`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#insmod)
* [`install`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#install)
* [`ip`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#ip)
* [`ipcalc`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#ipcalc)
* [`iptables`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#iptables)
* [`iwconfig`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#iwconfig)
* [`jobs`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins/15_1_job_control_commands#jobs)
* [`join`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#join)
* [`jot`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_9_miscellaneous_commands#jot-seq)
* [`kill`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins/15_1_job_control_commands#kill)
* [`killall`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins/15_1_job_control_commands#killall)
* [`last`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#last)
* [`lastcomm`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#lastcomm)
* [`lastlog`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#lastlog)
* [`ldd`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#ldd)
* [`less`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#more-less)
* [`let`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins#let)
* [`lex`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#lex-yacc)
* [`lid`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#lid)
* [`ln`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_1_basic_commands#ln)
* [`locate`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#locate-slocate)
* [`lockfile`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#lockfile)
* [`logger`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#logger)
* [`logname`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#logname)
* [`logout`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins/15_1_job_control_commands#logout)
* [`logrotate`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#logrotate)
* [`look`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#look)
* [`losetup`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#losetup)
* [`lp`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_9_miscellaneous_commands#lp)
* [`ls`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_1_basic_commands#ls)
* [`lsdev`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#lsdev)
* [`lsmod`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#lsmod)
* [`lsof`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#lsof)
* [`lspci`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#lspci)
* [`lsusb`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#lsusb-usbmodules)
* [`ltrace`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#ltrace)
* [`lynx`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#lynx)
* [`lzcat`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#lzma-unlzma-lzcat)
* [`lzma`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#lzma-unlzma-lzcat)
* [`m4`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_9_miscellaneous_commands#m4)
* [`mail`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#mail)
* [`mailstats`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#mailstats)
* [`mailto`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#mailto)
* [`make`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#make)
* [`MAKEDEV`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#MAKEDEV)
* [`man`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_1_basic_commands#man-info)
* [`mapfile`](https://github.com/LinuxStory/Advanced-Bash-Scripting-Guide-in-Chinese/blob/master/source/part5/37_bash,%20versions%202,%203,%20and%204/37_3_bash_version4.md)
* [`mcookie`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_9_miscellaneous_commands#mcookie)
* [`md5sum`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#sum-cksum-md5sum-sha1sum)
* [`merge`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#diff3-merge)
* [`mesg`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#mesg)
* [`mimencode`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#mimencode-mmencode)
* [`mkbootdisk`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#mkbootdisk)
* [`mkdir`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_1_basic_commands#mkdir)
* [`mkdosfs`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#mkdosfs)
* [`mke2fs`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#mke2fs)
* [`mkfifo`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_9_miscellaneous_commands#mkfifo)
* [`mkisofs`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#mkisofs)
* [`mknod`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#mknod)
* [`mkswap`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#mkswap)
* [`mktemp`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#mktemp)
* [`mmencode`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#mimencode-mmencode)
* [`modinfo`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#modinfo)
* [`modprobe`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#modprobe)
* [`more`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#more-less)
* [`mount`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#mount)
* [`msgfmt`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#msgfmt)
* [`mv`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_1_basic_commands#mv)
* [`nc`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#nc)
* [`netconfig`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#netconfig)
* [`netstat`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#netstat)
* [`newgrp`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#newgrp)
* [`nice`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#nice)
* [`nl`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#nl)
* [`nm`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#nm)
* [`nmap`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#nmap)
* [`nohup`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#nohup)
* [`nslookup`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#nslookup)
* [`objdump`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_9_miscellaneous_commands#objdump)
* [`od`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_9_miscellaneous_commands#od)
* [`openssl`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#openssl)
* [`passwd`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#passwd)
* [`paste`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#paste)
* [`patch`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#diff-patch)（相关话题：[`diff`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#diff-patch)）
* [`pathchk`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_9_miscellaneous_commands#pathchk)
* [`pax`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#pax)
* [`pgrep`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#pgrep-pkill)
* [`pidof`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#pidof)
* [`ping`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#ping)
* [`pkill`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#pgrep-pkill)
* [`popd`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins#pushd-popd-dirs)
* [`pr`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#pr)
* [`printenv`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_9_miscellaneous_commands#printenv)
* [`printf`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins#printf)
* [`procinfo`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#procinfo)
* [`ps`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#ps)
* [`pstree`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#pstree)
* [`ptx`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#ptx)
* [`pushd`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins#pushd-popd-dirs)
* [`pwd`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins#pwd)（相关话题：变量 [`$PWD`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/part3/09_another_look_at_variables/09_1_internal_variables#$PWD)）
* [`quota`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#quota)
* [`rcp`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#rcp)
* [`rdev`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#rdev)
* [`rdist`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#rdist)
* [`read`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins#read)
* [`readelf`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#readelf)
* [`readlink`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#readlink)
* [`readonly`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins#readonly)
* [`reboot`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#halt-shutdown-reboot)
* [`recode`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#recode)
* [`renice`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#nice)
* [`reset`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_7_terminal_control_commands#reset)
* [`resize`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_7_terminal_control_commands#resize)
* [`restore`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#dump-restore)
* [`rev`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_1_basic_commands#rev)
* [`rlogin`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#rlogin)
* [`rm`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_1_basic_commands#rm)
* [`rmdir`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_1_basic_commands#rmdir)
* [`rmmod`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#rmmod)
* [`route`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#route)
* [`rpm`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#rpm)
* [`rpm2cpio`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#rpm2cpio)
* [`rsh`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#rsh)
* [`rsync`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#rsync)
* [`runlevel`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#runlevel)
* [`run-parts`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_9_miscellaneous_commands#run-parts)
* [`rx`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#sx-rx)
* [`rz`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#sx-rz)
* [`sar`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#sar)
* [`scp`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#scp)
* [`script`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_7_terminal_control_commands#script)
* [`sdiff`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#sdiff)
* [`sed`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#sed-awk)
* [`seq`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_9_miscellaneous_commands#jot-seq)
* [`service`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#service)
* [`set`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins#set)
* [`setfacl`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#getfacl-setfacl)
* [`setquota`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#setquota)
* [`setserial`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#setserial)
* [`setterm`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#setterm)
* [`sha1sum`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#sum-cksum-md5sum-sha1sum)
* [`shar`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#shar)
* [`shopt`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins#shopt)
* [`shred`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#shred)
* [`shutdown`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#halt-shutdown-reboot)
* [`size`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#size)
* [`skill`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#nice)
* [`sleep`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_3_time_date_commands#sleep)
* [`slocate`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#locate-slocate)
* [`snice`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#nice)
* [`sort`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#sort)
* [`source`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins#source--点命令)
* [`sox`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_9_miscellaneous_commands#sox)
* [`split`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#split-csplit)
* [`sq`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#sq)
* [`ssh`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#ssh)
* [`stat`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#stat)
* [`strace`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#strace)
* [`strings`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#strings)
* [`strip`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#strip)
* [`stty`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#stty)
* [`su`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#su)
* [`sudo`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#sudo)
* [`sum`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#sum-cksum-md5sum-sha1sum)
* [`suspend`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins/15_1_job_control_commands#suspend)
* [`swapoff`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#swapon-swapoff)
* [`swapon`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#swapon-swapoff)
* [`sx`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#sx-rz)
* [`sync`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#sync)
* [`sz`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#sz-rz)
* [`tac`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_1_basic_commands#cat-tac)
* [`tail`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#tail)
* [`tar`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#tar)
* [`tbl`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#groff-tbl-eqn)
* [`tcpdump`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#tcpdump)
* [`tee`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_9_miscellaneous_commands#tee)
* [`telinit`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#telinit)
* [`telnet`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#telnet)
* [`Tex`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#TeX-gs)
* [`texexec`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#texexec)
* [`time`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_3_time_date_commands#time)
* [`times`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins/15_1_job_control_commands#times)
* [`tmpwatch`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#tmpwatch)
* [`top`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#top)
* [`touch`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_3_time_date_commands#touch)
* [`tput`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_7_terminal_control_commands#tput)
* [`tr`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#tr)
* [`traceroute`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#traceroute)
* [`true`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins##true)
* [`tset`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#tset)
* [`tsort`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#tsort)
* [`tty`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#tty)
* [`tune2fs`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#tune2fs)
* [`type`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins#type-cmd)
* [`typeset`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/part3/09_another_look_at_variables/09_2_typing_variables_declare_or_typeset)
* [`ulimit`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#ulimit)
* [`umask`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#umask)
* [`umount`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#umount)
* [`uname`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#uname)
* [`unarc`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#unarc-unarj-unrar)
* [`unarj`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#unarc-unarj-unrar)
* [`uncompress`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#compress-uncompress)
* [`unexpand`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#expand-unexpand)
* [`uniq`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#uniq)
* [`units`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_9_miscellaneous_commands#units)
* [`unlzma`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#lzma-unlzma-lzcat)
* [`unrar`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#unarc-unarj-unrar)
* [`unset`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins#unset)
* [`unsq`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#sq)
* [`unzip`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#zip-unzip)
* [`uptime`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#uptime)
* [`usbmodules`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#lsusb-usbmodules)
* [`useradd`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#useradd-userdel)
* [`userdel`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#useradd-userdel)
* [`usermod`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#usermod)
* [`users`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#users)
* [`usleep`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_3_time_date_commands#usleep)
* [`uucp`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#uucp-uux-cu)
* [`uudecode`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#uudecode)
* [`uuencode`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#uuencode)
* [`uux`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#uucp-uux-cu)
* [`vacation`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#vacation)
* [`vdir`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#vdir)
* [`vmstat`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#vmstat)
* [`vrfy`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#vrfy)
* [`w`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#w)
* [`wait`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/15_internal_commands_and_builtins/15_1_job_control_commands#wait)
* [`wall`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#wall)
* [`watch`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#watch)
* [`wc`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#wc)
* [`wget`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#wget)
* [`whatis`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#whatis)
* [`whereis`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#whereis)
* [`which`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#which)
* [`who`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#who)
* [`whoami`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#who)
* [`whois`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#whois)
* [`write`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_6_communications_commands#write)
* [`xargs`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_2_complex_commands#xargs)
* [`xrandr`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/17_system_and_administrative_commands#xrandr)
* [`xz`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#xz-unxz-xzcat)
* [`yacc`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#lex-yacc)
* [`yes`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_9_miscellaneous_commands#yes)
* [`zcat`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#bzip2)
* [`zdiff`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#diff-patch)
* [`zdump`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_3_time_date_commands#zdump)
* [`zegrep`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#grep)
* [`zfgrep`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#grep)
* [`zgrep`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_4_text_processing_commands#grep)
* [`zip`](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/16_external_filters_programs_and_commands/16_5_file_archiving_commands#zip-unzip)

### 目录

* [15. 内建命令](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/part4/15_internal_commands_and_builtins)
  * [15.1 任务控制命令](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/part4/15_internal_commands_and_builtins/15_1_job_control_commands)
* [16. 外部筛选器，任务及命令](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/part4/16_external_filters_programs_and_commands)
  * [16.1 基础命令](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/part4/16_external_filters_programs_and_commands/16_1_basic_commands)
  * [16.2 复杂命令](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/part4/16_external_filters_programs_and_commands/16_2_complex_commands)
  * [16.3 时间/日期命令](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/part4/16_external_filters_programs_and_commands/16_3_time_date_commands)
  * [16.4 文本处理命令](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/part4/16_external_filters_programs_and_commands/16_4_text_processing_commands)
  * [16.5 文件与归档命令](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/part4/16_external_filters_programs_and_commands/16_5_file_archiving_commands)
  * [16.6 通信命令](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/part4/16_external_filters_programs_and_commands/16_6_communications_commands)
  * [16.7 终端控制命令](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/part4/16_external_filters_programs_and_commands/16_7_terminal_control_commands)
  * [16.8 数学命令](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/part4/16_external_filters_programs_and_commands/16_8_math_commands)
  * [16.9 杂项命令](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/part4/16_external_filters_programs_and_commands/16_9_miscellaneous_commands)
* [17. 系统与管理命令](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/part4/17_system_and_administrative_commands)
  * [17.1 分析一个系统脚本](https://linuxstory.gitbook.io/advanced-bash-scripting-guide-in-chinese/zheng-wen/part4/17_system_and_administrative_commands/17_1_analyzing_a_system_script)