09-05-2016
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Join Date: Jul 2012
Last Activity: 4 May 2020, 4:31 PM EDT
Location: Aachen, Germany
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Not sure I understand correctly.
Ubuntu is a series of distributions BASED on linux kernels - HOW do you "get Unix on my Ubuntu 11.04"?
HOW do you determine "programs ... that I no longer need or use"? You may not have run a command for a long time, or even never, but still it is / they are vital to the innermost system.