Question: What is UNIX?
Answer: UNIX is a multi-user and multi-tasking operating system. It is the very popular operating system used in the microcomputer to a supercomputer. It provides the command line interface. It was developed at AT&T Bell Laboratories of USA. Microsoft Company of USA also developed a version of UNIX, which is named as XENIX. It is mainly used in network environment because it has powerful security features.
