YUM, Linux Wiki
What does the sudo yum update do? - Quora
20 YUM Commands for Linux Package Management
Installing new software - Klaus' wiki
Is there a Windows equivalent to 'sudo yum install'? - Quora
RPM Package Manager - Wikipedia
ELevate Quickstart Guide
When do you use 'yum' or 'rpm? - Quora
What is the difference between yum and apt-get? - Quora
What is yum in Linux? - Quora