• A disk operating system (DOS) is a computer operating system that requires a disk or other direct-access storage device as secondary storage. A DOS provides...
    11 KB (1,223 words) - 22:19, 15 June 2025
  • Thumbnail for Disk partitioning
    that the operating system reads before any other part of the disk. Each partition then appears to the operating system as a distinct "logical" disk that uses...
    21 KB (2,346 words) - 20:00, 20 May 2025
  • A real-time operating system (RTOS) is an operating system (OS) for real-time computing applications that processes data and events that have critically...
    16 KB (2,275 words) - 03:27, 20 June 2025
  • This is a list of disk operating system (DOS) variants with DOS in their name. Many are (or where in the day of DOS) called simply DOS within the context...
    5 KB (674 words) - 11:12, 29 May 2025
  • Thumbnail for DOS
    operating systems, DOS is a platform-independent acronym for disk operating system, whose use predates the IBM PC. Dozens of other operating systems also...
    56 KB (6,507 words) - 14:45, 10 June 2025
  • Watch watchOS Apple TV tvOS Embedded operating systems bridgeOS Apple Vision Pro visionOS Embedded operating systems A/ROSE iPod software (unnamed embedded...
    73 KB (8,384 words) - 16:49, 4 June 2025
  • Thumbnail for CP/M
    mass-market operating system created in 1974 for Intel 8080/85-based microcomputers by Gary Kildall of Digital Research, Inc. CP/M is a disk operating system and...
    103 KB (10,917 words) - 03:47, 26 June 2025
  • GLaDOS (Genetic Lifeform and Disk Operating System) is a fictional character from the video game series Portal. The character was created by Erik Wolpaw...
    130 KB (13,912 words) - 20:14, 3 June 2025
  • Thumbnail for FLEX (operating system)
    and pointing devices. FLEX is a disk-based operating system, using 256-byte sectors on soft-sectored floppies; the disk structure uses linkage bytes in...
    5 KB (436 words) - 04:56, 26 May 2025
  • TRSDOS (which stands for the Tandy Radio Shack Disk Operating System) is the operating system for the Tandy TRS-80 line of eight-bit Zilog Z80 microcomputers...
    39 KB (3,793 words) - 08:39, 12 February 2025
  • Thumbnail for DOSBox
    otherwise inaccessible since hardware for running a compatible disk operating system (DOS) is obsolete and generally unavailable today. It was first...
    32 KB (3,079 words) - 04:55, 21 June 2025
  • Thumbnail for History of operating systems
    third-party disk-loading operating system, such as CP/M or GEOS, they were generally used without one. Their built-in operating systems were designed...
    36 KB (4,587 words) - 00:55, 21 April 2025
  • MDOS (short for Myarc Disk Operating System) is an operating system commercialized by Myarc. It was designed and implemented specifically for the Geneve...
    4 KB (332 words) - 06:18, 7 December 2024
  • A boot disk is a removable digital data storage medium from which a computer can load and run (boot) an operating system or utility program. The computer...
    7 KB (900 words) - 17:35, 21 November 2024
  • Atari DOS is the disk operating system used with the Atari 8-bit computers. Operating system extensions loaded into memory were required in order for...
    19 KB (2,429 words) - 20:52, 25 February 2025
  • Thumbnail for MS-DOS
    (/ˌɛmˌɛsˈdɒs/ em-es-DOSS; acronym for Microsoft Disk Operating System, also known as Microsoft DOS) is an operating system for x86-based personal computers mostly...
    93 KB (9,765 words) - 07:10, 13 June 2025
  • Disk Operating System/360, also DOS/360, or simply DOS, is the discontinued first member of a sequence of operating systems for IBM System/360, System/370...
    29 KB (3,656 words) - 02:32, 14 October 2024
  • bootable disk, with code that starts the operating system loading sequence, is not encrypted. Some hardware-based full disk encryption systems can truly...
    17 KB (2,194 words) - 00:15, 20 June 2025
  • Thumbnail for File system
    NTFS file system in the Windows NT family of operating systems, and the ODS-2 (On-Disk Structure-2) and higher levels of the Files-11 file system in OpenVMS...
    76 KB (9,841 words) - 10:10, 26 June 2025
  • Thumbnail for IBM PC DOS
    IBM PC DOS (category Disk operating systems)
    for IBM Personal Computer Disk Operating System), also known as PC DOS or IBM DOS, is a discontinued disk operating system for the IBM Personal Computer...
    37 KB (3,705 words) - 01:09, 30 April 2025
  • Sharing System Timeline of operating systems T-0103C-CRAY_1_Computer_System-Operating_System_COS_Workbook-Training-15th September_1981 "COS 1.17 disk image...
    4 KB (364 words) - 02:52, 9 May 2025
  • Thumbnail for Operating system
    Microcomputers) was the most popular operating system for microcomputers. Later, IBM bought the DOS (Disk Operating System) from Microsoft. After modifications...
    70 KB (8,176 words) - 14:39, 31 May 2025
  • Disk Utility is a system utility for performing disk and disk volume-related tasks on the macOS operating system by Apple Inc. The functions currently...
    6 KB (572 words) - 03:04, 16 May 2023
  • Thumbnail for Dragon 32/64
    instant system start-up. The Dragon 32/64 was capable of running multiple disk operating systems, and a range of popular games were ported to the system. Overall...
    19 KB (2,189 words) - 15:41, 15 June 2025
  • DOS, and at least partially compatible disk operating systems. It does not include the many other operating systems called "DOS" which are unrelated to IBM...
    33 KB (1,260 words) - 01:11, 19 September 2024
  • Thumbnail for 86-DOS
    due to the absence of an operating system. The only software that SCP could sell with the board was Microsoft's Standalone Disk BASIC-86, which Microsoft...
    57 KB (3,963 words) - 07:23, 18 June 2025
  • Thumbnail for Floppy disk
    backups. Before hard disks became affordable to the general population, floppy disks were often used to store a computer's operating system (OS). Most home...
    82 KB (8,908 words) - 18:28, 23 May 2025
  • Thumbnail for Atari 8-bit computers
    wrong slot. The operating system boots automatically, loading drivers from devices on the serial bus (SIO). The disk operating system for managing floppy...
    72 KB (8,540 words) - 10:26, 24 June 2025
  • directory information for the operating system. The low-level format of floppy disks (and early hard disks) is performed by the disk drive's controller. For...
    38 KB (4,791 words) - 06:59, 11 January 2025
  • operating system of macOS, iOS, watchOS, tvOS, iPadOS, audioOS, visionOS, and bridgeOS. It previously existed as an independent open-source operating...
    46 KB (2,765 words) - 05:17, 27 June 2025