Linux 命令中！的使用技巧

[root@light local]# cd /usr/local/
[root@light local]# ls !$       #本次命令使用上个命令的参数
ls /usr/local/              #显示本次实际运行的命令
bin  etc  games  include  lib  lib64  libexec  sbin  share  src
[root@light local]# !!         #执行上一条命令
ls /usr/local/              #显示本次实际运行的命令
bin  etc  games  include  lib  lib64  libexec  sbin  share  src
[root@light local]# !l       #本次执行最靠后的以l开头的命令
ls /usr/local/
bin  etc  games  include  lib  lib64  libexec  sbin  share  src