linux命令补全工具

一：下载bash-competion工具

https://files.cnblogs.com/files/zgngg/bash-completion.zip

二：解压 

unzip bash-completion-20060301-1.el6.rf.noarch.rpm.zip

mv bash-completion-master /usr/share/bash-completion

三：编辑./bashrc文件

vim ./bashrc   在某行输入

[[ $PS1 && -f /usr/share/bash-completion/bash_completion ]] &&

./usr/share/bash-completion/bash-completion

 

即可