The installation methods differ based upon what Linux based distro you are...

The installation methods differ based upon what Linux based distro you are using. If you can tell us what Linux based distro you are using then we can five you the directions for installing and removing programs.

As for the running the apps, all freedesktop.org compliant apps have entries in the window manager's menu to launch them. CLI based application are as easy to run as typing their name into a terminal.

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