Yellowdog Updater, Modified, is commonly known as YUM. YUM is an open source command-line method for package management for systems using a Red Hat distribution. YUM enables us as Linux administrators to perform automatic updates and package and dependency management on RPM-based distributions. YUM is similar in nature to its Debian counterpart APT. The YUM utility makes use of various software repositories.

A software repo, as it is commonly called, stores a variety of packages. One of the main reasons for using YUM is that it detects whether any dependency files are needed for a particular package. It then prompts the user of the needed files and offers to install them as part of the package installation, which the user should have ...

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