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TSO and ISPF

TSO :

  • It stands for Time Sharing Option. 
  • It provides command-line-interface to zOS.
  • It fulfills the similar purpose to Unix login session.
  • Time sharing means many persons can access the operating system concurrently. 
  • TSO commands can be embedded in REXX execs or CLIST, which run interactively or in batch.
  • It provides a text editor, batch job support and debuggers.
  • It provides facility to submit job and store datasets via computer's operating system

TSO Login Screen
 ISPF:


  • It stands for Interactive System Productivity Facility.
  • It is frequently used to manipulate z/OS datasets.
  • It provides terminal interface with a set of panels.
ISPF Sceen
ISPF FUNCTION KEYS

 PF 1 = Help
PF 2 = Split the session
PF 3 = End
PF 4 = Return
PF 5 = Rfind (repeat last find)
PF 6 = Rchange (repeat lst change)
PF 7 = Move Backward
PF 8 = Move forward
PF 9 = Switch between screens during a split session; goes with PF 2
PF 10 = Move left
PF 11 = Move right
PF 12 = Retrieve                               
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