PC-MOS/386

PC-MOS/386
A screen-print of the PC-MOS-386 startup screen
DeveloperThe Software Link
Written in80x86 assembly language, C
OS familyDOS
Working stateActive
Source modelOpen source
Initial release1987 (1987)
Latest release5.01
Repository
Available inEnglish
Platformsx86 architecture
Kernel typeMonolithic
Influenced byMS-DOS
Default
user interface
Command-line interface (COMMAND.COM)
LicenseGPL-3.0-only
Official websiteGithub

PC-MOS/386 is a multi-user, multitasking computer operating system produced by The Software Link (TSL), announced at COMDEX in November 1986 for February 1987 release.[1] PC-MOS/386, a successor to PC-MOS, can run many MS-DOS programs on the host machine or a terminal connected to it. Unlike MS-DOS, PC-MOS/386 is optimized for the Intel 80386 processor; however early versions will run on any x86 computer. PC-MOS/386 used to be proprietary, but it was released as open-source software in 2017.[2][3]

  1. ^ Lach, Eric (17 November 1986). "Multiuser Operating System to Use 386 Microprocessor's Virtual Modes". InfoWorld. Vol. 8, no. 46. Popular Computing, Inc. p. 15. ISSN 0199-6649. Retrieved 1 May 2025.
  2. ^ Cite error: The named reference :0 was invoked but never defined (see the help page).
  3. ^ Vaughan-Nichols, Steven (23 October 2017). "MS-DOS variant PC-MOS/386 reborn as open source". ZDNET. Retrieved 1 May 2025.

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