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Multiple Virtual Storage, more commonly called MVS, is the most commonly used operating system on the 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 other mainframe operating system lines, e.g., VSE, VM, TPF.
All releases of OS/VS2 were available to no charge because the software cost was bundled with the hardware cost. OS/VS2 Release 3.8 was the last free release of MVS. In the late seventies and early eighties IBM announced: 5740-XE1 MVS/System Extensions (MVS/SE) MVS/SE improves the performance and RAS of OS/VS2 (MVS)
Input/Output Configuration Program (IOCP) [4] [5] [6] is a program for IBM mainframes that compiles a description of the Channel Subsystem and LPAR [7] configuration, optionally loading it into an Input/Output Configuration Data Set (IOCDS); it recognizes the syntax of MVS Configuration Program (MVSCP) [8] input, and there is no need to ...
Multi Access Spool capability was added to let peer computers share a common job queue and print/punch output queues. [citation needed] With the introduction of System/370 in 1972, IBM rewrote HASP to become a standard part of the system and renamed it Job Entry Subsystem 2. JES2 was introduced in OS/VS2 in Release 2, also known as MVS, in 1973 ...
Download as PDF; Printable version; In other projects Wikidata item; Appearance. ... (MVS) Data set (IBM mainframe) Direct-access storage device; DOS/360 and successors;
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.
Basic Direct Access Method, or BDAM is an access method for IBM's OS/360 and successors computer operating systems on System/360 and later mainframes. BDAM "consists of routines used in retrieving data from, and storing data onto, direct access devices." [1]: p.5 BDAM is available on OS/360, OS/VS2, MVS, z/OS, and related high-end operating ...
When it was introduced in 1971, [3] IBM considered time-sharing an "optional feature", as compared to standard batch processing, and hence offered TSO as an option for OS/360 MVT. With the introduction of MVS in 1974, IBM made it a standard component of their top-end mainframe operating system.