jan 1, 1969 - Development of UNIX operating system begun. It was later released as C source code to aid portability, and subsequently versions are obtainable for many different computers, including the IBM PC. It and its clones (such as GNU/Linux) are still widely used on network servers and scientific workstations. Originally developed by Ken Thompson and Dennis Ritchie.
Added to timeline:
Date:
jan 1, 1969
Now
~ 56 years ago