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5 open-source operating systems everyone mistakes for Linux

FreeBSD, Haiku, and other systems everyone mistakes for Linux are actually their own OS outside of the system that you are ...
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9 open source operating systems that aren't Linux

If you hear the term "open-source," you might think of Linux. However, Linux distros aren't the only open-source operating systems. There are plenty in use today besides Linux. Some date back to even ...

My 5 favorite open source operating systems that aren't Linux

Looking for non-Linux open-source options? From ghosts of past operating systems to fascinating works in progress, here are ...