PC DOS

PC DOS 7 Logo

IBM PC DOS (Personal Computer Disk Operating System) was announced in 1981 as an operating system for IBM's Personal Computer (5150). With introduction of Personal System/2 family it was renamed to IBM DOS in April 1987. Until version 7.0 released in 1995 brought back the traditional old name.

History

The IBM Personal Computer Disk Operating System (PC DOS) is a operating system originally shipped with the IBM PC in 1981. Primarily a CP/M clone with some facilities modified for a more "IBM like" behaviour or to conform to IBM naming conventions (config.sys etc.).

Editors

• edlin
• EDIT (part of QBasic, only in versions 5.0x)
• E

Programming Tools

• Debug
• Linker
• IBM PC BASIC
• QBasic
• PC DOS REXX

Versions

• 1981: IBM PC DOS 1.00
• 1982: IBM PC DOS 1.10
• 1983: IBM PC DOS 2.00
• 1983: IBM PC DOS 2.10
• 1984: IBM PC DOS 3.00
• 1985: IBM PC DOS 3.10
• 1986: IBM PC DOS 3.20
• 1987: IBM DOS 3.30
• 1988: IBM DOS 4.00
• 1991: IBM DOS 5.00
• 1992: IBM DOS 5.02
• 1993: IBM DOS 6.1
• 1994: IBM DOS 6.3
• 1995: IBM PC DOS 7.0
• 1997: IBM PC DOS 2000

While it was not released as a separate product it should be noted that those that ordered OEM IBM PC DOS installed on computers from vendors such as IBM itself, Lenovo and Dell, got shipped a DOS that contained the userland applications from PC DOS 2000 but a newer kernel that declared itself to be DOS 7.1.

Publications

• GG24-4133-01: Upgrading to PC DOS 6.3

Books

• Robert D. Eager: Introduction to PC DOS - Addison-Wesley 1987, ISBN 0-201-14529-4

Links

• PC DOS Retro by Vernon Brooks
• IBM PC DOS 1.00 (Daniel B. Sedory)
• IBM PC DOS 1.10 (Daniel B. Sedory)