Install a package
$ yum install <package_name>
Remove a package
$ yum remove <package_name>
Update a package
$ yum update <package_name>
Search for a package
$ yum search <package_name>
Find information about a package
$ yum info <package_name>
List packages containing a certain term
$ yum list <package_name> or <word_to_search>
Find what package provides a particular file
$ yum whatprovides </path/to/file>
Update all installed packages
$ yum -y update
Update a specific package
$ yum -y update <package_name>
Install development packages
$ yum groupinstall "Development tools"