Last updated: June 2021

To do: explain colours in picture, add a conclusion

In this post you'll find a family tree and timeline of operating systems. I have tried to include all operating systems, no matter how old or obscure. Of course, a complete list is virtually impossible, as there is no way to catalogue all the tiny hobby and embedded systems that may exist somewhere.



Please also note that I only included a few selected Linux/BSD/Solaris distributions (it is arguable whether these should count as an OS on their own or not).



Currently, the family tree includes between 800 and 900 different operating systems. Tip: use Ctrl+F (Cmd+F on Mac) to search for a system.

If anyone would like to make corrections, please feel tell me.

The operating system in this picture include:



Source: Github.io

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