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Chapter 14. YUM (Yellowdog Updater Modified) - Red Hat …
yum (software) - Wikipedia
20 YUM Commands for Linux Package Management - Tecmint
yum - Trac
yum(8): Yellowdog Updater Modified - Linux man page
Linux package management with YUM and RPM | Enable Sysadmin
What is YUM (Yellowdog Updater, Modified)? - howto-do.it
yum: Yellowdog Updater Modified | yum System Administration …
What is YUM? | DigitalOcean
Using YUM to Manage Packages in CentOS/RHEL 7 and Earlier