Linux UNIX History command

查询历史命令：history

调用历史命令：!命令编号

查询历史命令：Ctrl+r

相关文件：用户家目录下.bash_history

^2^1: modify the previous command

Example:

#ping 192.168.0.196

#^196^1 (= ping 192.168.0.1)

 

Use the last item in the previous command

press <esc> and press <.> 

or press <Alt+.>

Example:

#ping 192.168.0.196

#telnet press <Alt+.> = telnet 192.168.0.196