Linux下安装bash-completion包用于命令参数的补全

[root@sre01 ~]# yum list bash*
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Installed Packages
bash.x86_64                                           4.2.46-35.el7_9                          @updates
bash-completion.noarch                                1:2.1-8.el7                              @base   
bash-completion-extras.noarch                         1:2.1-11.el7                             @epel   
Available Packages
bash-argsparse.noarch                                 1.7-1.el7                                epel    
bash-doc.x86_64                                       4.2.46-34.el7                            base    
bashmount.noarch                                      3.2.0-3.el7                              epel    

[root@sre01 ~]# yum install bash-completion
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base                                                                            | 3.6 kB  00:00:00     
epel                                                                            | 4.3 kB  00:00:00     
Package 1:bash-completion-2.1-8.el7.noarch already installed and latest version
Nothing to do