# yum > Package management utility for RHEL, Feodra, and CentOS (for older versions). - Synchronize list of packages and versions available. This should be run first, before running subsequent yum commands: `yum update` - Install a new package: `yum install {{package}}` - Install a new package and assume yes to all questions (also works with update, great for automated updates): `yum -y install {{package}}` - Remove a package: `yum remove {{package}}` - Upgrade installed packages to newest available versions: `yum upgrade`