This document contains a list of common shell scripting commands and concepts for shell script programming in Chinese. It includes sections on core commands, shell script syntax, expressions, and expansions. Some key commands and concepts mentioned are vi, man, ls, find, grep, sed, sort, crontab, ps, kill, mathematical expressions, logical expressions, file expansion, parameter expansion, and special parameters like $*, $#, $?, and $$.

1. Shell 脚本编程 王在祥

2. ❖ 基本⽂件操作

8. Core Commands
❖ vi
❖ man
❖ ls
❖ du
❖ chown
❖ chgrp
❖ chmod
❖ find
❖ grep
❖ gawk
❖ sed
❖ cut
❖ sort
❖ uniq
❖ wc
❖ cat
❖ tar
❖ gzip
❖ head
❖ tail
❖ crontab
❖ ps
❖ kill
❖ top
❖ rsync
❖ rpm
❖ yum
❖ apt-get

9. Shell Script
❖ cmd1; cmd2
❖ cmd1 &
❖ cmd1 && cmd2
❖ cmd1 || cmd2
❖ cmd1 < file1.txt >file2.txt 2>file3.txt
❖ cmd1 | cmd2
❖ ( cmd1; cmd2 )
❖ { cmd1; cmd2 }

11. 表达式
❖ 数学表达式
❖ declare i=10 j = 15
❖ $((i + 0x20)), $((i * 5 + j))
❖ 逻辑表达式
❖ [[ -a file -o -w file ]]
❖ man test 查看帮助

12. 展开
❖ file*.scala, file?.scala, file[123].scala
❖ ~/file1.txt, ~isuwang/file1.txt
❖ ${name} ${name:-word} ${name:+word}
❖ ${name:=word} ${name:?word}
❖ ${name:offset}
❖ ${name:offset:length}
❖ ${name/pattern/str}

13. 展开
❖ $* $#
❖ $?
❖ $$
❖ $!