• 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 and later mainframes...
    29 KB (3,659 words) - 16:12, 19 July 2025
  • throughput. FBA is supported by VM/370 and DOS/VSE, but not MVS or successor operating systems in the OS/360 line. Processors with FICON channels can...
    11 KB (1,210 words) - 08:03, 11 July 2025
  • Thumbnail for OS/360 and successors
    for System/360 hardware was DOS/360. OS/360 is in the public domain and can be downloaded freely. As well as being run on actual System/360 hardware, it...
    67 KB (6,798 words) - 09:32, 19 July 2025
  • Thumbnail for VSE (operating system)
    latest one in the DOS/360 lineage, which originated in 1965. It is less common than z/OS and is mostly used on smaller machines. DOS/VSE was introduced...
    11 KB (1,040 words) - 02:05, 18 July 2025
  • Thumbnail for BOS/360
    with at least 16 KB and either disks (DOS) or tape drives only (TOS). BOS was released in October 1965, nearly two years before OS/360, thus BOS was the...
    6 KB (434 words) - 03:57, 1 January 2024
  • yielding EOF immediately. In IBM operating systems DOS/360 and successors and also in OS/360 and successors such files would be assigned in JCL to DD DUMMY...
    8 KB (721 words) - 19:05, 2 March 2025
  • units and devices. EXCP for OS/360 and successors is more specifically described in the OS System Programmer's Guide.; EXCP for DOS/360 and successors is...
    16 KB (1,627 words) - 10:12, 13 May 2025
  • Thumbnail for Volume Table of Contents
    In the storage architecture of OS/360 and successors, CMS, and DOS/360 and successors, the Volume Table of Contents (VTOC) is a data structure that provides...
    12 KB (910 words) - 18:13, 19 January 2025
  • Cambridge University) DOS/360 and successors on IBM S/360, S/370, and successor mainframes BOS/360 (early interim version of DOS/360, briefly available at...
    73 KB (8,384 words) - 16:49, 4 June 2025
  • customer. IMS was only available for OS/360 and its successors, but CICS was also available for DOS/360 and its successors. For many years this type of product...
    51 KB (5,935 words) - 20:24, 25 May 2025
  • assembly language and successors is a series of assembly languages and assemblers made for the IBM System/360 mainframe system and its successors through the...
    40 KB (4,386 words) - 02:42, 18 July 2025
  • environment for IBM mainframe operating systems, including OS/360 MVT, OS/VS2 (SVS), MVS, OS/390, and z/OS. In computing, time-sharing is a design technique...
    6 KB (847 words) - 10:34, 7 July 2025
  • operating systems, such as OS/360 and successors and DOS/360 and successors, and midrange operating systems, such as RSX-11 and VMS. However, they originated...
    8 KB (1,190 words) - 15:24, 15 January 2025
  • software. The following lists describe programs associated with OS/360 and successors. No DOS, TPF or VM utilities are included. IBM uses a naming convention...
    47 KB (5,993 words) - 21:20, 30 May 2025
  • Thumbnail for Z/VM
    Z/VM (category Official website different in Wikidata and Wikipedia)
    on the IBM System/360-67 (see article History of CP/CMS for historical details). z/VM runs on IBM's IBM Z family of computers and can support large numbers...
    7 KB (723 words) - 18:21, 16 July 2025
  • Storage Access Method (VSAM) Primarily DOS/360 and successors through z/VSE OS/360 and successors through z/OS TSS/360 and TSS/370 VAX-11 Record Management...
    3 KB (290 words) - 02:48, 29 May 2024
  • Thumbnail for Conversational Monitor System
    and CP/CMS had checkered histories at IBM. VM was not one of IBM's "strategic" operating systems, which were primarily the OS and DOS families, and it...
    17 KB (2,174 words) - 02:24, 12 July 2025
  • Thumbnail for IBM AIX
    offered a $150 AIX PS/2 DOS Server Program, which provided file server and print server services for client computers running PC DOS 3.3. The last version...
    57 KB (5,312 words) - 21:26, 6 July 2025
  • Db2 relational database system. Runs on OS/360 and successors and DOS/360 and successors, IBM AIX, VM, and OS/2. Non-mainframe versions are called TXSeries...
    14 KB (1,671 words) - 11:12, 16 July 2025
  • Thumbnail for VM (operating system)
    systems (e.g., the MVS and DOS/VSE families, OS/VS1, TSS/370, or another layer of VM/370 itself (see below)) can be loaded and run without modification...
    53 KB (5,833 words) - 17:47, 17 July 2025
  • Thumbnail for IBM Airline Control Program
    aspect of ACP is that it was designed to run on most models of the IBM System/360 mainframe computer family. This departed from the earlier model in which...
    5 KB (376 words) - 22:32, 18 August 2023
  • Thumbnail for IBM CP-40
    machine/virtual memory time-sharing operating system for the IBM System/360 Model 67, and the parent of IBM's VM family. CP-40 ran multiple instances of client...
    20 KB (2,556 words) - 08:12, 7 March 2024
  • Thumbnail for Compatible Time-Sharing System
    first computerized text editing and formatting utilities, called TYPSET and RUNOFF (the successors of MEMO, MODIFY and DITTO). CTSS had one of the first...
    32 KB (3,357 words) - 23:26, 31 March 2025
  • the announcement by IBM that DOS Release 26 was the last DOS release to be supported on the System 360, and future DOS Releases would support System...
    9 KB (1,093 words) - 02:43, 24 January 2025
  • Thumbnail for Z/OS
    z/Architecture mainframes, introduced by IBM in October 2000. It derives from and is the successor to OS/390, which in turn was preceded by a string of MVS versions...
    21 KB (2,262 words) - 15:17, 10 July 2025
  • Thumbnail for MUSIC/SP
    system ran on IBM S/360, S/370, and 4300-series mainframe hardware, and offered then-novel features such as file access control and data compression. It...
    11 KB (1,252 words) - 08:50, 18 July 2025
  • Thumbnail for Transaction Processing Facility
    system for mainframe computers descended from the IBM System/360 family, including zSeries and System z9. TPF delivers fast, high-volume, high-throughput...
    22 KB (2,846 words) - 18:48, 24 March 2025
  • Thumbnail for MVS
    System/370, System/390 and IBM Z IBM mainframe computers. IBM developed MVS, along with OS/VS1 and SVS, as a successor to OS/360. It is unrelated to IBM's...
    49 KB (5,950 words) - 18:41, 7 July 2025
  • Thumbnail for OS/390
    and added various other improvements, and the result is now named z/OS. IBM ended support for the older OS/390-branded versions in late 2004. OS/360 MVS...
    5 KB (271 words) - 14:26, 10 July 2025
  • virtual memory time-sharing technology that became available on the IBM System/360 Model 67. FORTRAN MAD (programming language) Timeline of operating systems...
    4 KB (269 words) - 17:10, 11 March 2024