使用--showduplicates参数列出所有版本

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[root@localhost ~]# yum search wget
=================================================================================== N/S matched: wget ===================================================================================
wget.x86_64 : A utility for retrieving files using the HTTP or FTP protocols


[root@localhost ~]# yum search wget --showduplicates
============================================================ N/S matched: wget =============================================================
wget-1.14-10.el7_0.1.x86_64 : A utility for retrieving files using the HTTP or FTP protocols
wget-1.14-15.el7_4.1.x86_64 : A utility for retrieving files using the HTTP or FTP protocols
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[root@localhost ~]# yum list wget
Installed Packages
wget.x86_64 1.14-10.el7_0.1 @base
Available Packages
wget.x86_64 1.14-15.el7_4.1 base
[root@localhost ~]#


[root@localhost ~]# yum list wget --showduplicates
Installed Packages
wget.x86_64 1.14-10.el7_0.1 @base
Available Packages
wget.x86_64 1.14-15.el7_4.1 base

但是不建议安装前版本的软件,有可能出现不满足依赖的报错