yum search <whatever>
yum install <package>
yum autoremove <package> //good for removing dependencies
yum remove <package> //only removes package and others that depend on it
yum upgrade //update and remove any unneeded packages
yum clean expire-cache //refresh the cache, similar to apt-get update
Groups are a convenient way to install several related packages at once.
yum grouplist | less
yum groupinfo <"group name"> | less
yum groupinstall <group>
yum groupinstall <group> <"group"> -y
yum groupremove <group>