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2. Job Control Language - Wikipedia

   en.wikipedia.org/wiki/Job_Control_Language

   Job Control Language (JCL) is a scripting language used on IBM mainframe operating systems to instruct the system on how to run a batch job or start a subsystem. [1] The purpose of JCL is to say which programs to run, using which files or devices [2] for input or output, and at times to also indicate under what conditions to skip a step.

3. Job Entry Subsystem 2/3 - Wikipedia

   en.wikipedia.org/wiki/Job_Entry_Subsystem_2/3

   The Job Entry Subsystem (JES) is a component of IBM's MVS (MVS/370 through z/OS) mainframe operating systems that is responsible for managing batch workloads. In modern times, there are two distinct implementations of the Job Entry System called JES2 and JES3.

4. Support programs for OS/360 and successors - Wikipedia

   en.wikipedia.org/wiki/Support_programs_for_OS/...

   Sort/merge is important enough that there are multiple companies each selling their own sort/merge package for IBM mainframes. IBM's original OS/360 sort/merge program, 360S-SM-023, program name IERRCO00 (alias SORT), supported only IBM's first-generation direct-access storage devices (DASD) [d] and tapes (2400). Support for second-generation ...

5. IBM mainframe - Wikipedia

   en.wikipedia.org/wiki/IBM_mainframe

   The primary operating systems in use on current IBM mainframes include z/OS (which followed MVS/ESA and OS/390 in the OS/360 lineage), z/VM (which followed VM/ESA and VM/XA SP in the CP-40 lineage), z/VSE (which is in the DOS/360 lineage), z/TPF (a successor of Transaction Processing Facility in the Airlines Control Program lineage), and Linux ...

6. MVS - Wikipedia

   en.wikipedia.org/wiki/MVS

   The z/OS operating system (MVS' most recent descendant) also has native support to execute POSIX and Single UNIX Specification applications. The support began with MVS/SP V4R3, and IBM has obtained UNIX 95 certification for z/OS V1R2 and later. [5] The system is typically used in business and banking, and applications are often written in COBOL.

7. IBM's Next Mainframe Will Pack an AI Punch - AOL

   www.aol.com/ibms-next-mainframe-pack-ai...

   IBM next-gen mainframe will be powered by the Telum II processor. Each chip features eight CPU cores, a large pool of fast cache memory, and a built-in AI accelerator meant for inferencing workloads.

8. IBM Basic assembly language and successors - Wikipedia

   en.wikipedia.org/wiki/IBM_Basic_assembly...

   The application program interfaces of IBM's mainframe operating systems is defined as a set of assembly language "macro" instructions, that typically invoke Supervisor Call (SVC) [e.g., on z/OS] or Diagnose (DIAG) [on, e.g., z/VM] instructions to invoke operating system routines. It is possible to use operating system services from programs ...

9. Back to the 1970s: IBM in mainframe antitrust suit again - AOL

   www.aol.com/news/2009-10-09-back-to-the-1970s...

   International Business Machines (IBM) used to dominate the computer industry -- especially in the 1960s when mainframe computers were the only game in town. During the 1970s, that dominance gave ...