DOS Plus (erroneously also known as DOS+) was the first operating system developed by Digital Research's OEM Support Group in Newbury, Berkshire, UK,...
22 KB (2,049 words) - 09:22, 17 May 2024
Environment variable (redirect from Local environment (DOS))
(PalmDOS 1.0), "1.2" (DOS Plus 1.2 in DOS emulation), "2.0" (Concurrent DOS 386 2.0), "3.0" (Concurrent DOS 386 3.0), "3.31" (DR DOS 3.31), "3.32" (DR DOS...
102 KB (10,335 words) - 00:15, 3 April 2025
DOS/360 from 1966. Others include Apple DOS, Apple ProDOS, Atari DOS, Commodore DOS, TRSDOS, and AmigaDOS. IBM PC DOS (and the separately sold MS-DOS)...
56 KB (6,507 words) - 04:13, 20 May 2025
of MS-DOS, IBM PC DOS, and at least partially compatible disk operating systems. It does not include the many other operating systems called "DOS" which...
33 KB (1,260 words) - 01:11, 19 September 2024
CP/M-86 (redirect from CP/M-86 Plus)
latest incarnation. The FlexOS, DOS Plus, and DR DOS families of operating systems started as derivations of Concurrent DOS as well. Digital Research's CP/M-86...
31 KB (2,530 words) - 09:30, 27 May 2025
Sinclair PC500. Amstrad licensed both MS-DOS 3.2 and Digital Research DOS Plus, which was largely compatible with MS-DOS and included some features from CP/M...
15 KB (1,676 words) - 19:18, 18 April 2025
1985, Digital Research developed DOS Plus 1.0 to 2.1, a stripped-down and modified single-user derivative of Concurrent DOS 4.1 and 5.0, which ran applications...
121 KB (12,096 words) - 22:17, 9 May 2025
8-bit, 16-bit and 32-bit systems like MP/M, Concurrent DOS, FlexOS, Multiuser DOS, DOS Plus, DR DOS and GEM. It was the first large software company in the...
26 KB (2,123 words) - 22:46, 16 May 2025
MS-DOS compatible systems include: IBM PC DOS DR-DOS, Novell DOS, OpenDOS FreeDOS PTS-DOS ROM-DOS Microsoft made IBM PC DOS for IBM. It and MS-DOS were...
92 KB (9,615 words) - 11:03, 23 May 2025
Working directory (redirect from CDS (DOS technology))
subdirectories. DOS Plus and older issues of DR DOS (up to DR DOS 6.0, with BDOS 6.7 in 1991) had no such limitation due to their implementation using a DOS emulation...
15 KB (1,432 words) - 23:12, 25 April 2025
display. DOS Plus 1.1 on disk (with BDOS 4.1) DOS Plus 1.2 on disk (with BDOS 4.1) DOS Plus 2.1 on disk (with BDOS 5.0) Concurrent DOS MS-DOS 2.?? MS-DOS 3.10...
8 KB (698 words) - 13:19, 16 December 2024
Drive letter assignment (category DOS technology)
AMSDOS DOS family 86-DOS, MS-DOS, PC DOS DR DOS, Novell DOS, PalmDOS, OpenDOS ROM-DOS PTS-DOS, S/DOS FreeDOS PC-MOS/386 SISNE plus GEMDOS, TOS, MiNT, MagiC...
28 KB (3,436 words) - 05:09, 1 January 2025
CP/M-86, Concurrent CP/M-86, Personal CP/M-86, S5-DOS, DOS Plus, Concurrent DOS, FlexOS, Multiuser DOS, System Manager and REAL/32 as well as by SCP1700...
4 KB (453 words) - 20:31, 15 October 2024
family: DOS Plus 1.0, a single-user variant of Concurrent PC DOS in 1985 DOS Plus 1.1, a single-user variant of Concurrent PC DOS in 1985 DOS Plus 1.2, a...
2 KB (301 words) - 02:19, 2 May 2025
Design of the FAT file system (redirect from DOS BPB)
Apricot one. These formats were also supported by DOS Plus 2.1e/g for the Apricot ACT series. The DOS Plus adaptation for the BBC Master 512 supported two...
240 KB (11,983 words) - 17:32, 23 April 2025
Linux and most other versions of Unix), Mach-O (on macOS and iOS) and MZ (on DOS). Metadata is casually used to describe the controlling data used in software...
15 KB (414 words) - 11:52, 18 March 2025
MS-DOS. Concurrent DOS, Concurrent DOS 286, Concurrent DOS 386 – Concurrent CP/M-based multiuser multitasking OS with DOS emulator since 1983 DOS Plus –...
10 KB (974 words) - 16:32, 23 January 2025
some applications. The additional memory requirements of DOS Plus, when compared to those of PC DOS, and the requirements of the GEM desktop caused potential...
65 KB (5,480 words) - 16:23, 15 May 2025
The DOS API is an API which originated with 86-DOS and is used in MS-DOS/PC DOS and other DOS-compatible operating systems. Most calls to the DOS API...
21 KB (1,231 words) - 19:18, 19 November 2024
Amix) AMSDOS Contiki CP/M 2.2 CP/M Plus SymbOS Apple II Apple DOS Apple Pascal Apex (Colorado School of Mines) ProDOS GS/OS GNO/ME Contiki Apple III Apple...
73 KB (8,384 words) - 22:45, 17 May 2025
to edit configuration files. The same problem was apparent with DOS Plus and MS-DOS supplied with IBM-compatible Amstrad computers, but the RPED for...
5 KB (652 words) - 14:26, 21 May 2025
Command-line interface (redirect from PROMPT (DOS command))
some of these systems (MS-DOS/PC DOS 2.xx, DOS Plus 2.1, DR-DOS 7.02 and higher, PTS-DOS, Embedded DOS, FreeDOS and RxDOS), the setting can also be pre-configured...
75 KB (8,552 words) - 11:52, 23 May 2025
family: DOS Plus 1.0, a single-user variant of Concurrent PC DOS in 1985 DOS Plus 1.1, a single-user variant of Concurrent PC DOS in 1985 DOS Plus 1.2, a...
3 KB (528 words) - 18:54, 22 November 2020
version of Digital Research's DR DOS since 1988 DOS Plus, a ROMable DOS DR DOS, a ROMable DOS PalmDOS, a ROMable DOS This disambiguation page lists articles...
461 bytes (103 words) - 21:17, 13 January 2017
based on Concurrent CP/M-86 developed by Digital Research DOS Plus (since 1985), a PC DOS and CP/M-86 compatible multitasking operating system for early...
5 KB (664 words) - 11:01, 20 May 2025
IBM DOS 3.3 in 1988 It may also refer to versions of the Digital Research DR DOS family: DR DOS 3.31, based on DOS Plus 2.1 and Concurrent PC DOS 6.0...
3 KB (574 words) - 02:45, 2 May 2025
– but Microsoft also produced several other versions of BASIC for MS-DOS/PC DOS including IBM Disk BASIC (BASIC D), IBM BASICA (BASIC A), GW-BASIC (a...
72 KB (8,324 words) - 06:08, 20 May 2025
OS/2 (redirect from DOS 5 (OS/2))
build on his work on the MICA project at Digital rather than creating a "DOS plus". His NT OS/2 was a completely new architecture. IBM grew concerned about...
83 KB (8,738 words) - 08:39, 13 May 2025