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2.4. Understanding Package Names

Each package file has a long name that indicates several key pieces of information. For example, this is the full name of a tsclient package:
Management utilities commonly refer to packages with one of three formats:
For clarity, yum lists packages in the format name.architecture. Repositories also commonly store packages in separate directories by architecture. In each case, the hardware architecture specified for the package is the minimum type of machine required to use the package.
Suitable for any current Intel-compatible computer
Compatible with all computer architectures
Suitable for PowerPC systems, such as Apple Power Macintosh
Suitable for 64-bit Intel-compatible processors, such as Opterons
Some software may be optimized for particular types of Intel-compatible machine. Separate packages may be provided for i386, i586, i686 and x86_64 computers. A machine with at least an Intel Pentium, VIA C3 or compatible CPU may use i586 packages. Computers with an Intel Pentium Pro and above, or a current model of AMD chip, may use i686 packages.
Use the short name of the package for yum commands. This causes yum to automatically select the most recent package in the repositories that matches the hardware architecture of your computer.
Specify a package with other name formats to override the default behavior and force yum to use the package that matches that version or architecture. Only override yum when you know that the default package selection has a bug or other fault that makes it unsuitable for installation.

Package Names

You may use any of the following formats to specify a package in a yum operation: name, name.architecture, name-version, name-version-release, name-version-release.architecture, and epoch:name-version-release.architecture.