4.4 帮助命令
帮助命令:man
man [配置文件名即可]
┌──(xiaoan?Heart)-[~]
└─$ which passwd
/usr/bin/passwd
┌──(xiaoan?Heart)-[~]
└─$ whereis passwd
passwd: /usr/bin/passwd /etc/passwd /usr/share/man/man1/passwd.1.gz /usr/share/man/man1/passwd.1ssl.gz /usr/share/man/man5/passwd.5.gz
man 5 passwd
whatis ls //命令
apropos inittab //配置文件
touch --help
information
叨叨几句... NOTHING