Learn the correct JES2 command to display a list of all active jobs running on an IBM mainframe system. Discover whether $d a, $da or both work and why.
Table of Contents
Question
Jes2 command to check list of active Jobs
A. $d a
B. $da
C. both 1 and 2
D. None of these
Answer
C. both 1 and 2
Explanation
In JES2, an IBM mainframe job entry subsystem, both the lowercase “$d a” and uppercase “$D A” commands can be used to display a list of all active jobs currently running on the system.
JES2 commands are not case-sensitive, so $d a and $D A are equivalent and will produce the same output. When you enter either of these commands, JES2 will return a summary of key information for each active job, including:
- Job name
- Job ID
- Job class
- Job priority
- Current status (e.g. executing, waiting)
- Owning user ID
This command is useful for mainframe operators and sys admins to monitor the workload on the system and check the status of critical jobs. It allows you to quickly see what is running at any given time.
So in summary, “$d a” and “$DA” are interchangeable JES2 commands that provide a concise overview of all jobs currently active on an IBM mainframe system using JES2. The capitalization of the command does not matter.
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