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How To Determine What Packages Are Installed on a System

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This FAQ applies to: All

For distributions that use RPM format packages, use the command:

 $ rpm -qa

You need to be logged in as root. You can save the output to a text file for future reference, a command like:

 $ rpm -qa >installed-packages

For Debian systems, the equivalent command is:

$ dpkg -l

For Slackware and Slackware based distributions, look in the directory /var/log/packages.

[Steven J. Hathaway]

There is one file that describes the contents of each *.tgz package installed on your system.

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