Learn about the z eod command used to disable all functions, including Automation, during the shutdown process on mainframe systems. Understand the correct syntax and purpose of this important z/OS operator command.
Table of Contents
Question
The command used to disable all the functions including Automation during Shutdown is
A. z fod
B. c eod
C. c fod
D. z eod
Answer
The correct command to disable all functions, including Automation, during the shutdown process on mainframe systems is:
D. z eod
Explanation
The z eod command, short for “z End of Day”, is used by mainframe operators to initiate a complete system shutdown. When this command is issued, it disables all functions on the mainframe, including any automated processes managed by Automation software.
The other options provided are incorrect:
- “z fod” is not a valid mainframe command
- “c eod” and “c fod” use the wrong syntax, as the correct prefix for this shutdown command is “z” not “c”
Therefore, option D, “z eod”, is the only command among the choices that will properly disable all mainframe functions, including Automation, as part of the system shutdown procedure. It’s important for mainframe operators to know the correct syntax of critical commands like z eod to ensure smooth and complete system shutdowns when needed.
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