Unix is a multi-user and multitasking operating system that was developed in the early 1970's by scientists from Bell Laboratories. Because of federal regulations Bell Laboratories was prohibited from promoting UNIX in the commercial marketplace but instead licensed it to colleges and universities for a low fee. At the schools it was implemented on many different types of computers. After the deregulation of the phone companies in the 1980's UNIX was licensed to many hardware and software companies, which in turn created their own computer architectures and boosted many different strengths and features to suit their customers. In 1984 ...