六个优雅的Linux命令行技巧

eval [arg ...] trap [-lp] [[arg] signal_spec ...]

exec [-cl] [-a name] [command [argume> true

exit [n] type [-afptP] name [name ...]

export [-fn] [name[=value] ...] or ex> typeset [-aAfFgilnrtux] [-p] name[=v>

false ulimit [-SHabcdefiklmnpqrstuvxPT] [l>

fc [-e ename] [-lnr] [first] [last] o> umask [-p] [-S] [mode]

fg [job_spec] unalias [-a] name [name ...]

for NAME [in WORDS ... ] ; do COMMAND> unset [-f] [-v] [-n] [name ...]

for (( exp1; exp2; exp3 )); do COMMAN> until COMMANDS; do COMMANDS; done

function name { COMMANDS ; } or name > variables - Names and meanings of so>

getopts optstring name [arg] wait [-n] [id ...]

hash [-lr] [-p pathname] [-dt] [name > while COMMANDS; do COMMANDS; done

help [-dms] [pattern ...] { COMMANDS ; }

stat -c

stat 敕令用于显示文件的大年夜小、所有者、用户组、索引节点号、权限、修改和拜访时光等重要的统计信息。这是一个异常有效的敕令，可以显示比 ls -l 更多的细节。

$ stat .bashrc 
  File: .bashrc 
  Size: 4048            Blocks: 8          IO Block: 4096   regular file 
Device: 806h/2054d      Inode: 421481      Links: 1 
Access: (0644/-rw-r--r--)  Uid: ( 1000/     shs)   Gid: ( 1000/     shs) 
Access: 2017-08-23 15:13:41.781809933 -0400 	
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