Diomidis Spinnelis' work is amazing. You can read about it here: https://www2.dmst.aueb.gr/dds/pubs/jrnl/2016-EMPSE-unix-history/html/unix-history.html https:/

Diomidis Spinnelis' work is amazing. You can read about it here: https://www2.dmst.aueb.gr/dds/pubs/jrnl/2016-EMPSE-unix-history/html/unix-history.html https://www2.dmst.aueb.gr/dds/pubs/jrnl/2016-EMPSE-unix-hist... (link is from the github README)