Virtual Storage Extended - ορισμός. Τι είναι το Virtual Storage Extended
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Τι (ποιος) είναι Virtual Storage Extended - ορισμός

IBM MAINFRAME OPERATING SYSTEM, ORIGINALLY DESIGNED FOR SMALLER MAINFRAMES, SUCCESSOR TO DOS/360
Z/VSE; DOS/VSE; Z/VSE (operating system); VSE/ESA; VSE/SP; Virtual Storage Extended

Virtual Storage Extended         
<operating system> (VSE, formerly DOS/VSE) is a multitasking, IBM 370-architected operating system similar to Multiple Virtual Storage (MVS). VSE run jobs in partitions rather than address spaces, and uses POWER for input/output rather than JES, but is largely similar to MVS. Subsequent VSE/ESA releases gave VSE the XA-370 channel architecture, 31-bit virtual and real storage support, and data spaces. VSE is the IBM operating system on one-third of installed IBM 4381s and a significant proportion of IBM 9370s as well. It offers {transaction processing} and batch processing capabilities well beyond Virtual Machine's current capabilities, and has a close affinity with MVS. (1997-06-09)
virtual memory         
  • The University of Manchester [[Atlas Computer]] was the first computer to feature true virtual memory.
OPERATING SYSTEM LEVEL MEMORY MANAGEMENT TECHNIQUE
Virtual storage; Virtual Memory; /dev/drum; Memory maps; VSIZE; Virtual memoy; Paged virtual memory; Memoria virtual; Virtual address translation
Virtual memory is a computing technique in which you increase the size of a computer's memory by arranging or storing the data in it in a different way. (COMPUTING)
N-UNCOUNT
virtual storage         
  • The University of Manchester [[Atlas Computer]] was the first computer to feature true virtual memory.
OPERATING SYSTEM LEVEL MEMORY MANAGEMENT TECHNIQUE
Virtual storage; Virtual Memory; /dev/drum; Memory maps; VSIZE; Virtual memoy; Paged virtual memory; Memoria virtual; Virtual address translation
Virtual storage is the same as virtual memory
. (COMPUTING)
N-UNCOUNT

Βικιπαίδεια

VSE (operating system)

VSEn (Virtual Storage Extended) is an operating system for IBM mainframe computers, the latest one in the DOS/360 lineage, which originated in 1965.

DOS/VSE was introduced in 1979 as a successor to DOS/VS; in turn, DOS/VSE was succeeded by VSE/SP version 1 in 1983, and VSE/SP version 2 in 1985. In February 2005, IBM announced z/VSE as successor to VSE/ESA 2.7, which was named to reflect the new System z branding for IBM's mainframe product line. In June 2021, 21st Century Software Inc announced that it had licensed the z/VSE source code from IBM with the intention of developing new versions of the operating system. As part of this transfer, z/VSE was renamed to VSEn.

It is less common than z/OS and is mostly used on smaller machines. In the late 1980s, there was a widespread perception among VSE customers that IBM was planning to discontinue VSE and migrate its customers to MVS instead, although IBM relented and agreed to continue to produce new versions of VSE.