DOS is a general acronym for "Disk Operating System", though it came to refer to the operating system used in the IBM PC, particularly Microsoft's MS-DOS.
In this DOS tutorial we take a look at the Path, an important concept. While the concept continues to be used in modern operating systems like Linux, in DOS you had severe limitations you always had to be conscious of. Remember that this was in the days when 640KB was enough memory for anyone.
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