Usage
You can enter this command from a session, a job, a program, or in break mode. Pressing Break does not affect this command.
You must enter this command from the console. You can enter this command from a terminal other than the console under one of the following conditions:
The JOBSECURITY command is set to LOW and the job is logged on to your user account. (AM users only need to match the job's account name.)
Your system administrator has used the ALLOW command, which permits you to enter this command.