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Watch new AT&T Archive films every Monday, Wednesday and Friday at In the late 1960s, Bell Laboratories computer scientists Dennis Ritchie and Ken Thompson started work on a project that was inspired by an operating system called Multics, a joint project of MIT, GE, and Bell Labs. The host and narrator of this film, Victor Vyssotsky, also had worked on the Multics project. Ritchie and Thompson, recognizing some of the problems with the Multics OS, set out to create a more useful, flexible, and portable system for programmers to work with. What's fascinating about the growth of UNIX is the long amount of time that it was given to develop, almost organically, and based on the needs of the users and programmers. The first installation of the program was done as late as 1972 (on a NY Telephone branch computer). It was in conjunction with the refinement of the C programming language, principally designed by Dennis Ritchie. Because the Bell Syst
