Unix

Unix was developed in the 1960. The Unix system had significant impact on other operating systems. It achieved its reputation by its interactivity, by providing the software at a nominal fee for educational use, by running on inexpensive hardware, and by being easy to adapt and move to different machines. Unix distinguishes itself from its predecessors as the first portable operating system. Unix was developed Richard Stallman. Unix is he predecessor of linux. Unix was initially released in 1973. Unix was the first operating system that could be changed by anyone. Kernel Shell and the programs/applications are the three main parts of a UNIX operating system