7.2.2 Suppressing executing jobnets and jobs that are already running
You may want to suppress executing jobnets and jobs while they are running to perform host maintenance or to conduct a check before stopping a service. To suppress executing jobnets and jobs while they are running, use the ajsalter command with -s EXEC specified. To stop the suppression, use the ajsalter command with -s none specified.
For details about the ajsalter command, see ajsalter in 3. Commands Used for Normal Operations in the manual JP1/Automatic Job Management System 3 Command Reference.