The Yum, or Yellowdog Updater Modified, is a great package manager if you are familiar with how to use it. If you have a bunch of repositories activated it can be useful to know what packages are available via a specific repository. It is possible to install RPM packages via a specific repository which if another package you are installing requires a specific version of a package this can be useful. Below are a couple examples of using the “yum list” command.

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