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Chapter 16. The Doors to DB2 > TSO (Time-Sharing Option)

TSO (Time-Sharing Option)

TSO, or Time-Sharing Option, is one of the five basic environments from which DB2 data can be accessed. TSO enables users to interact with MVS using an online interface that is either screen- or panel-driven. The Interactive System Productivity Facility, or ISPF, provides the mechanism for communicating by panels, which is the common method for interaction between TSO applications and users. The TSO Attachment Facility provides access to DB2 resources in two ways:

  • Online, in the TSO foreground, driven by application programs, CLISTs, or REXX EXECs coded to communicate with DB2 and TSO, possibly using ISPF panels

  • In batch mode using the TSO Terminal Monitor Program, IKJEFT01 (or IKJEFT1B), to invoke the DSN command and run a DB2 application program


  

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