Ever find yourself wanting to run a command, but stuck without a command line? This technique makes a pop-up command window constantly available to you, whatever you're doing.
After entering the following command, a command line window will appear every time you press the Attention key (usually mapped to the PC Escape key in an emulator session):
SETATNPGM PGM(QUSCMDLN) SET(*ON)
If you want this to be activated automatically every time you sign on, change your user profile by doing:
I'd be lost without it!