• Thumbnail for Multiuser DOS
    Multiuser DOS is a real-time multi-user multi-tasking operating system for IBM PC-compatible microcomputers. An evolution of the older Concurrent CP/M-86...
    63 KB (6,013 words) - 20:25, 3 May 2025
  • (Concurrent DOS, Concurrent DOS XM), "CPCDOS" (Concurrent PC DOS), "CDOS386" (Concurrent DOS 386), "DRMDOS" (DR Multiuser DOS), "MDOS" (CCI Multiuser DOS), "IMSMDOS"...
    102 KB (10,335 words) - 00:15, 3 April 2025
  • The Multiuser DOS Federation (MDOS) was an industry alliance to promote the growth and acceptance of multi-user DOS-based solutions on 286, 386 and 486...
    4 KB (382 words) - 07:03, 15 February 2025
  • derivative of Concurrent DOS 68K Multiuser DOS, the successor of Concurrent DOS 386 CCI Multiuser DOS Datapac Multiuser DOS Datapac System Manager, a...
    73 KB (8,398 words) - 18:15, 24 April 2025
  • Thumbnail for Digital Research
    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
  • as Multics, VM/CMS, OpenVMS, MP/M, Concurrent CP/M, Concurrent DOS, FlexOS, Multiuser DOS, REAL/32, OASIS, THEOS, PC-MOS, TSX-32 and VM/386. Some multi-user...
    3 KB (389 words) - 02:21, 14 March 2025
  • Thumbnail for DR-DOS
    most of the operating system work on Concurrent DOS 386 and XM, Multiuser DOS, DR DOS and PalmDOS was done in Digital Research's European Development...
    121 KB (12,096 words) - 22:17, 9 May 2025
  • file system as if it were an ordinary file. There are also special files in DOS, OS/2, and Windows. These special files allow an application program to interact...
    36 KB (3,375 words) - 06:11, 3 March 2025
  • developed for personal computers and was the default file system for the MS-DOS and Windows 9x operating systems.[citation needed] Originally developed in...
    111 KB (8,904 words) - 19:10, 7 May 2025
  • Thumbnail for DOS
    both MS-DOS and CP/M-86 software), later with Multiuser DOS (compatible with both MS-DOS and CP/M-86 software) and DR DOS (compatible with MS-DOS software)...
    56 KB (6,504 words) - 04:53, 13 May 2025
  • >> SETCD.BAT CALL SETCD.BAT DEL SETCD.BAT Alternatively, under Multiuser DOS and DR-DOS 7.02 and higher, various internal and external commands support...
    15 KB (1,432 words) - 23:12, 25 April 2025
  • Partition type (category DOS technology)
    use partition IDs C0h and D0h for multi-user security. Versions of Multiuser DOS use these partition IDs for secured FAT partitions with multi-user security:...
    74 KB (1,679 words) - 17:42, 20 March 2025
  • Thumbnail for Drive letter assignment
    Drive letter assignment (category DOS technology)
    DOS, FlexOS, 4680 OS, 4690 OS, S5-DOS/MT, Multiuser DOS, System Manager, REAL/32, REAL/NG, Personal CP/M, S5-DOS, DOS Plus AMSDOS DOS family 86-DOS,...
    28 KB (3,436 words) - 05:09, 1 January 2025
  • Thumbnail for Scroll Lock
    verbose messages, but in contrast to the situation under the Multiuser DOS family normal DOS drivers do not typically display additional information. The...
    23 KB (2,163 words) - 09:27, 6 March 2025
  • Thumbnail for MS-DOS 4.0 (multitasking)
    1986 Multiuser DOS – successor of Concurrent DOS 386 since 1991 REAL/32 – successor of Multiuser DOS since 1995 PC-MOS/386 – multiuser multitasking DOS clone...
    10 KB (974 words) - 16:32, 23 January 2025
  • Thumbnail for DOS Plus
    under DOS Plus and can be used to make file handling at the command prompt much easier. This feature is also present in Concurrent DOS, Multiuser DOS, System...
    22 KB (2,049 words) - 09:22, 17 May 2024
  • Thumbnail for COMMAND.COM
    COMMAND.COM (redirect from Dos prompt)
    replacement command processors DOSSHELL / ViewMAX — alternative DOS shells Concurrent DOS Multiuser DOS REAL/32 — have similar command processors not named COMMAND...
    27 KB (2,735 words) - 20:22, 11 March 2025
  • at-sign character (@) is used for filelists by many DR-DOS, PalmDOS, Novell DOS, OpenDOS and Multiuser DOS, System Manager and REAL/32 commands, as well as...
    240 KB (11,983 words) - 17:32, 23 April 2025
  • multiuser multitasking protected mode operating systems was not DOS-based by themselves. Concurrent DOS 386 was later developed to become Multiuser DOS...
    32 KB (3,255 words) - 10:59, 12 May 2025
  • Steam, InfoWorld, August 6, 1984 Multiuser Systems Returning, InfoWorld, Sep 10, 1984 Digital Research Ties CP/M, DOS, PC Magazine, June 26, 1984 Phoenix...
    235 KB (7,271 words) - 21:36, 24 April 2025
  • Digital Research, Novell, IMS, Caldera, etc. DOS-based operating systems like Multiuser DOS and DR-DOS LOADER.SYS, part of a LOADER.COM installation...
    913 bytes (171 words) - 05:16, 3 September 2023
  • Exit status (section DOS)
    are often captured by batch programs through IF ERRORLEVEL commands. Multiuser DOS supports a reserved environment variable %ERRORLVL% which gets automatically...
    15 KB (1,646 words) - 14:17, 19 January 2025
  • MS-DOS 4.0 (multitasking), a multitasking operating system Multitasking DOS sub-system in IBM OS/2, e.g. C:\OS2\MDOS\ Multiuser DOS (aka DR MDOS), a DOS-...
    1 KB (220 words) - 11:46, 10 October 2024
  • Thumbnail for Command-line interface
    FreeKEYB - Advanced international DOS keyboard and console driver (User Manual) (v7 preliminary ed.). CCI Multiuser DOS 7.22 GOLD Online Documentation....
    75 KB (8,473 words) - 00:05, 12 May 2025
  • Thumbnail for CP/M-86
    CP/M-86 (redirect from Siemens S5-DOS)
    emulator was added to provide PC DOS compatibility, the system was renamed Concurrent DOS, which later became Multiuser DOS, of which REAL/32 is the latest...
    31 KB (2,534 words) - 04:34, 15 February 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
  • – a stripped-down single-user variant of Concurrent PC DOS 4.1–5.0 Multiuser DOS – Digital Research/Novell MDOS family including Datapac System Manager...
    21 KB (1,231 words) - 19:18, 19 November 2024
  • following the Intel convention. In Concurrent DOS, Multiuser DOS and REAL/32 as well as in DOS Plus and DR-DOS various environment variables like $CLS, $ON...
    41 KB (3,460 words) - 22:52, 12 May 2025
  • Concurrent DOS (a.k.a. CDOS, Concurrent PC DOS and CPCDOS) (since 1983), a CP/M-86 and MS-DOS 2.11 compatible multiuser, multitasking DOS, based on Concurrent...
    5 KB (662 words) - 14:56, 30 April 2025
  • Later MS-DOS compatible systems natively supporting preemptive multitasking/multithreading include Concurrent DOS, Multiuser DOS, Novell DOS (later called...
    12 KB (1,417 words) - 12:19, 30 April 2025