A Brief History of UNIX
To understand why the UNIX operating system has so many commands and why it's not only the premier multiuser, multitasking operating system, but also the most successful and the most powerful multichoice system for computers, you'll have to travel back in time. You'll need to learn where UNIX was designed, what the goals of the original programmers were, and what has happened to UNIX in the subsequent decades.
Unlike DOS, Windows, OS/2, the Macintosh, VMS, MVS, and just about any other operating system, UNIX was designed by a couple of programmers as a fun project, and it evolved through the efforts of hundreds of programmers, each of whom was exploring his or her own ideas of particular aspects of OS design and user interaction. ...
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