Thursday, October 16, 2014

UNIX

UNIX, AT&T's Bell Laboratories


Developed at AT&T’s Bell Laboratories, UNIX is a pioneering operating system that continues to define what an operating system should do and how it should work. UNIX (pronounced “you-nix”) was the first operating system with pre-emptive multi-tasking, and it was designed to work efficiently in a secure computer network. If UNIX is so great, why didn’t it take over the computer world? One reason is the lack of compatibility among the many different versions of UNIX. Another reason is that it’s difficult to use. UNIX, like DOS, defaults to a command-line user interface, which is challenging for new computer users. In the past few years, a number of GUI interfaces have been developed for UNIX, improving its usability.

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