MS-DOS: Difference between revisions

Revision as of 22:15, 10 May 2007

Revision as of 13:37, 12 May 2007

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*PC DOS 1.1 - May 1982 – ''support for 320 [[Kilobyte|kB]] double-sided floppy disk''

*MS-DOS 1.25 - May 1982 – ''first release for [[IBM PC compatible]]s marketed under different brands'' (<code>COMMAND.COM</code> is 4986 bytes)

*MS-DOS 2.0 - March 1983 – ''support for [[PC XT]]: introduced subdirectories, handle-based file operations, command input/output redirection, and [[pipe (computing)|pipes]]. Microsoft decided to use [[backslash|backslashes]] as pathname separators rather than slashes as on Unix apparently due to the latter character being used as the [[switch (command line)|switch]] character in most DOS and [[CP/M]] programs. Adds support for hard drives and 360KB floppy disks''

*PC DOS 2.1 - October 1983 – ''support for [[IBM PCjr]]''

*MS-DOS 2.11 - March 1984 – ''non-English language and date format support'' (<code>COMMAND.COM</code> is 16229 bytes)