Disk operating system
Subtitle: command reference and error messages, version 6.
Contributors: International Business Machines Corporation.
Edition: 1st ed.
Publisher: International Business Machines Corp.
Published: 1993
Place of publication: [Atlanta, Ga.]
Language: eng
Number of pages: 390
Subjects: PC-DOS (Computer file); MS-DOS (Computer file); Operating systems (Computers)
Notes: "June 1993."
Includes index.