答案：

方法一：yum search bash

[root@oldboy~]#yumsearchbashLoadedplugins:fastestmirror,security
Loadingmirrorspeedsfromcachedhostfile
*base:mirrors.aliyun.com
*epel:mirrors.aliyun.com
*extras:mirrors.aliyun.com
*updates:mirrors.aliyun.com
=====================================N/SMatched:bash======================================
bash-argsparse.noarch:Anhighlevelargumentparsinglibraryforbash
bash-completion.noarch:ProgrammablecompletionforBash
bash-doc.x86_64:Documentationfilesforbash
easybashgui.noarch:Bashfunctionlibrary
gromacs-bash.noarch:GROMACSbashcompletion
pcp-pmda-bash.x86_64:PerformanceCo-Pilot(PCP)metricsfortheBashshell
bash.x86_64:TheGNUBourneAgainshell
bats.noarch:BashAutomatedTestingSystem
bti.x86_64:BashTwitterIdiocy
python-argcomplete.noarch:Bashtabcompletionforargparse
sys_basher.x86_64:Amultithreadedhardwareexerciser
.......

方法二：

[root@oldboy~]#yumlist|grep^bash
bash.x86_644.1.2-33.el6@anaconda-CentOS-201508042137.x86_64/6.7
bash-completion.noarch1:1.3-7.el6@epel
bash.x86_644.1.2-48.el6base
bash-argsparse.noarch1.7-1.el6epel
bash-doc.x86_644.1.2-48.el6base

备注

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