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History of Dos
DOS is an abbreviation for (Disk Operating System), which was created for use with IBM computers. DOS was the first version of a user interface used by the user of the computer to give directions to the computer in a command line format. The whole reason for Dos was IBM knew that until they provided a way for everyone to use a computer then computer sells would never hit it big. ... Microsoft in turn licensed Seattle computer Product’s 86-DOS operating system, which was used on that company’s line of 8086 computers. ... With extensive testing many bugs were reported in the operating system and was rewritten by IBM and the now PC-DOS would carry both the IBM and Microsoft label on the copyright. After all the hassle the IBM PC was shipped without any kind of operating system due to the cost of the CP/M-86 operating system was nearly 500 dollars and it was said that it was easier to port existing CP/M software to DOS. IBM finally started shipping DOS with their computers with the second generation AT/339. Due to the low cost of IBM’s DOS it blew away UCSD p-System (an integrated Pascal operating system commonly used by the Commodore 64) and Digital Research’s CP/M-86.
Approximate Word count = 987
Approximate Pages = 3.9
(250 words per page double spaced)
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