TSO (Time Sharing Option) is a command-line environment for IBM mainframes, analogous to a Unix shell. TSO can be executed interactively or in batch mode. The former is primarily used now as a mechanism to start ISPF, the latter to run scripts written in clist, Rexx, or executable code associated with DB2 plans.
TSO (Time Sharing Option) is a command-line environment for IBM mainframes, analogous to a Unix shell. The name is somewhat anachronistic, TSO is no longer an optionally priced product as when it was introduced in 1971, but is now a standard element of z/OS.
TSO can be executed interactively or in batch mode. The former is primarily used now as a mechanism to start ISPF, the latter to run scripts written in clist, Rexx, or executable code associated with DB2 plans.