Yum Query Software Information

We often encounter this situation, want to install a software, only know that it is related to a certain aspect, but do not know exactly its name. This is when Yum's query function works. You can use the Yum search keyword command to search, such as we want to install a instant Messenger, but do not know exactly what, it may be possible to use the Yum search Messenger, such as the search for a command, Yum searches all available rpm descriptions, lists all the RPM packages that are described in the Messeger, so we may get gaim,kopete and so on and choose from them. Sometimes we have a package installed, but we do not know its purpose, we can use Yum Info packagename This command to get information.

Use Yum Find Packages
Order:Yum Search <keyword>

List all packages that can be installed
command:yum list

List all packages that can be updated
command:Yum list updates

List all installed packages
command:Yum list installed

list all installed but not in Packages in Yum Repository
command:Yum list Extras

Lists the packages that you specify
command:Yum list <package_name>

Use Yum Get package information
command:Yum info <package_name>

List information for all packages
command:Yum info

List all updatable package information
command:Yum info updates

List all installed package information
command:Yum info installed

list all installed but not in Package information in Yum Repository
command:Yum info Extras

List which files the package provides
command:Yum provides <package_name>

Yum Query Software Information