2019 marks the 50th anniversary of Unix
https://www.bell-labs.com/unix50/ (https://www.bell-labs.com/unix50/)
The Unix operating system and the C programming language, closely intertwined in both origin and impact, were created at Bell Labs between 1969 and 1972. Unix made large-scale networking of diverse computing systems - and the Internet - practical. The C language brought an unprecedented combination of efficiency and expressiveness to programming. Both made computing more "portable." Today, Linux, the most popular descendent of Unix, powers the vast majority of servers, and elements of Unix and Linux are found in most mobile devices.
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