We’ll cover more than a 100 commands of the
yum package manager. Which is super handy to the system-administrators in order to be able to manage the packages in Linux distros that use
yum, such as redhat 6 & 7, CentOS 6 & 7 and Scientific Linux 6 & 7.
Keep in mind that a root‘s privileges are needed. To gain those privileges, either login as root with
su if you have the root‘s password, or prefix each of the following command with
sudo if your user is a sudoer.