Learn the correct z/OS command to display comprehensive subsystem information. Discover the difference between D SSI, D SUBSYSTEMS, and D SUBSYSTEMS,ALL.
Table of Contents
Question
What is the command used to display Display Sub-Systems Information
A. D SUBSYSTEMS
B. D SSI
C. D SUBSYSTEMS,ALL
D. None
Answer
The correct command to display subsystem information in z/OS is:
B. D SSI
Explanation
The D SSI command provides a concise overview of the active subsystems on the z/OS system. It lists each subsystem’s name, type, status, and other relevant details.
In contrast, the D SUBSYSTEMS command is not a valid z/OS command. The D SUBSYSTEMS,ALL command is a valid command, but it provides more detailed output than D SSI, including the subsystem initialization routine name and other technical specifics that may not be necessary for a quick subsystem review.
Therefore, the most appropriate command to display subsystem information is D SSI, as it offers a clear and concise summary of the active subsystems on the z/OS system.
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