virtual storage extended

1 definition found

virtual storage extended - Free On-line Dictionary of Computing (26 May 2007) :

  Virtual Storage Extended
  VSE
  
     <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)