z/OS TSO/E Programming Services
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Mode Message Processing

z/OS TSO/E Programming Services
SA32-0973-00

A mode message is a message put out to the terminal when a command or a subcommand is anticipated. The processing of mode messages by the PUTGET service routine is dependent upon the following two conditions:
  • Are you providing an output line?
  • From what source is the input line coming?
Figure 1. Control Block Structures for PUTGET Output Messages

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