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CentOS 7.0 - man page for yum-aliases (centos section 1)

yum-aliases(1)									   yum-aliases(1)

       yum aliases plugin

       yum [options] alias

       This  plugin changes other commands in yum, much like the alias command in bash. There are
       a couple of notable differences from shell style aliases though.  The  alias  command  has
       three forms:
	* alias
	* alias command
	* alias command result

       The first form lists all current aliases with their final result, the second form looks up
       a "command" and shows it's final result or an error message. The last form creates  a  new

Explanation of alias to final result conversion
       When  you  type an aliased command, like "yum --disableexcludes UPT lsu" using the default
       aliases, the yum-aliases plugin first takes the first  "command",  by  skipping	over  any
       options,   and	then   looks   up  the	result	(in  this  case  "UPT"	is  converted  to
       "--enablerepo=updates-testing"). If there is a match, then it  will  replace  the  aliased
       "command" in the argument list and try again (again skipping over any options). By conven-
       tion, in the default aliases list, alias "commands" that are in all CAPS only add  options
       so you can join together a chain of them before any real command or aliased command.

       There  are  two things that can alter the above, if you have the "recursive" configuration
       option set to off then alias processing will stop after the first alias to command substi-
       tution.	Also,  like  in  shell aliases, if the result starts with \ then alias processing
       will stop.

       To create a new alias command called "rm"  which  does  the  same  thing  as  the  command
       "remove" use:

	      yum alias rm remove

       To  always  add	the --skip-broken --disableexcludes=all --obsoletes options to the update
       command (but leaving the upgrade option alone), you could use:

	      yum alias update \update	--skip-broken --disableexcludes=all --obsoletes

       To override the default "up" alias to use the above update command, and never ask for con-
       firmation, you could use:

	      yum alias up update -y

	      James Antill <james@and.org>

       yum-utils(1) yum(1)

James Antill				  31 March 2008 			   yum-aliases(1)

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