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This was a J2EE 1.2 certified application server. It inherited the database-based configuration model from V3.x for all but the single-server edition, which already used an XML datastore. AE (Advanced Edition) AEs (Advanced Edition single). Single-server edition that was not able to run in a cluster configuration. AEd (Developer Edition).
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 ...
The program status word [a] (PSW) is a register that performs the function of a status register and program counter, and sometimes more. The term is also applied to a copy of the PSW in storage. The term is also applied to a copy of the PSW in storage.
The (IBM) SPMD is the most common style of parallel programming and can be considered a subcategory of MIMD in that it refers to MIMD execution of a given (“single”) program. [7] It is also a prerequisite for research concepts such as active messages and distributed shared memory .
SVC is a two byte instruction with the hexadecimal operation code 0A; the second byte of the instruction, the SVC number, indicates the specific request. [2] The SVC number can be any value from 0 to 255, with the particular SVC number being up to the implementer of the operating system, e.g. on IBM's MVS, SVC 3 is used to terminate a program, while on the UNIVAC VS/9 and Fujitsu BS2000 ...
Rexx (Restructured Extended Executor) is a programming language that can be interpreted or compiled.It was developed at IBM by Mike Cowlishaw. [6] [7] It is a structured, high-level programming language designed for ease of learning and reading.
Symbolic Programming System [14] (SPS), was the assembler offered when IBM originally announced 1401 as a punched-card-only computer. SPS had different mnemonics and a different fixed input format from Autocoder.
(A program written in a compiled language is translated once to create a "load module" or executable.) CLIST can read/write MVS files and read/write from/to a TSO terminal. It can read parameters from the caller and also features a function to hold global variables and pass them between CLISTs.