Ali Al-Bayaty
Email
9/2020

This infographic depicts the history and evolution of Unix and Unix-like systems from 1969 till 2019 for the open-source, closed-source, and mixed/shared-source operating systems [1].

References:
[1] “History of Unix.” Wikipedia. https://en.wikipedia.org/wiki/History_of_Unix (accessed Sep. 23, 2020).