# yum install zsh
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * base: centosz3.centos.org
 * extras: centost5.centos.org
 * updates: centosb5.centos.org
Resolving Dependencies
--> Running transaction check
---> Package zsh.x86_64 0:5.0.2-7.el7 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

===================================================================================================================================
 Package                     Arch                           Version                             Repository                    Size
===================================================================================================================================
Installing:
 zsh                         x86_64                         5.0.2-7.el7                         base                         2.4 M

Transaction Summary
===================================================================================================================================
Install  1 Package

Total download size: 2.4 M
Installed size: 5.6 M
Is this ok [y/d/N]: y
Downloading packages:
zsh-5.0.2-7.el7.x86_64.rpm                                                                                  | 2.4 MB  00:00:00
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : zsh-5.0.2-7.el7.x86_64                                                                                          1/1
  Verifying  : zsh-5.0.2-7.el7.x86_64                                                                                          1/1

Installed:
  zsh.x86_64 0:5.0.2-7.el7

Complete!