|colspan="2"|{{Admon/note|A Note about Repositories|Since software repositories are on-line storage areas for software for particular Linux distributions, the Linux administrator can enable (add) or disable (remove) additional software repositories. Usually only the basic or "base" repositories are enabled upon Linux installation.}}

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:There are a few ways for yum to install applications:

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<li value="9">Within the Packages subdirectory of the Centos Full Install DVD, locate the rpm file that contains the xchat application. What do you think is the purpose of the numbers also contained in the filename?</li>