what is unix
It is a multi-user operating system for powerful 16-bit and 32-bit machines. UNIX set the standard for multi-user systems for personal computers. Developed at AT&T’s Bell Laboratories in USA, UNIX held monopoly in the multi-user OS market for quite some time before other operating systems were introduced. It was first written in the assembly language. Later in 1973, it was rewritten in the ‘C’ language. This gave it portability i.e., it could be run easily on different types of machines. This is one important reason for the popularity of UNIX. There are several implementation of this system.
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