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PTS-DOS 6.6; PTS-DOS 2000 (6.7) PTS-DOS 32 (7.0) PTS-DOS 6.51: ca. 1995 Paragon Technology Systems: Paragon Technology Systems Paragon DOS 2000 Pro? ROM-DOS 6.22 [8] Datalight: Datalight ROM-DOS 7.1 [8] Embedded DOS: General Software: General Software DIP DOS 2.11: 1989 DIP Research, Atari Corporation: Support ended RxDOS 6.2: 1999 Michael ...
Digital Research releases DR DOS 3.31, supporting hard disk partitions up to 512 MB. DR DOS is ROMable, unlike MS-DOS. [351] [352] June: Microsoft releases Windows/286, version 2.1, which replaces Windows 2.03. It provides an extra 50 KB above the 640 KB DOS limit, when running on a system with more than 1 MB of extended memory available.
As MS-DOS 7.0 was a part of Windows 95, support for it also ended when Windows 95 extended support ended on December 31, 2001. [85] As MS-DOS 7.10 and MS-DOS 8.0 were part of Windows 98 and Windows ME, respectively, support ended when Windows 98 and ME extended support ended on July 11, 2006, thus ending support and updates of MS-DOS from ...
DR-DOS 7.07 (with BDOS 7.4/7.7) by Paul introduced new bootstrap loaders and updated disk tools in order to combine support for CHS and LBA disk access, the FAT12, FAT16 and FAT32 file systems, and the differing bootstrapping conventions of DR-DOS, PC DOS, MS-DOS, Windows, REAL/32 and LOADER into a single NEWLDR MBR and boot sector, so that the ...
EDIT is a full-screen text editor, included with MS-DOS versions 5 and 6, [1] OS/2 and Windows NT to 4.0 The corresponding program in Windows 95 and later, and Windows 2000 and later is Edit v2.0. PC DOS 6 and later use the DOS E Editor and DR-DOS used editor up to version 7.
Multiuser DOS (a.k.a. MDOS), a PC DOS and CP/M-86 compatible multiuser multitasking operating system based on Concurrent DOS by Digital Research; NetWare PalmDOS, a successor of DR DOS 6.0 specifically tailored for early mobile and palmtop PCs by Novell; Novell DOS, a multitasking successor of DR DOS 6.0 by Novell
OS/2 allows for 'DOS from Drive A:', (VMDISK). This is a real DOS, like MS-DOS 6.22 or PC DOS 5.00. One makes a bootable floppy disk of the DOS, adds a number of drivers from OS/2, and then creates a special image. The DOS booted this way has full access to the system, but provides its own drivers for hardware.
In the PC bootup sequence, the first sector of the boot disk is loaded into memory and executed. If this is the DOS boot sector, it loads the first three sectors of IO.SYS into memory and transfers control to it. IO.SYS then: Loads the rest of itself into memory. Initializes each default device driver in turn (console, disk, serial port, etc ...