tab补全

  • tab键补全,如果系统是最小安装需要安装相应包
  • 相应包bash-4.2.46-30.el7.x86_64
[root@centos7 ~]$rpm -qa bash*
bash-4.2.46-30.el7.x86_64
bash-completion-2.1-6.el7.noarch
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