It suppresses macOS sleep and the display going off while it’s running, but it does not “survive” the lock screen in the sense of drawing over or replacing the system lock/saver.
The terminal app (and javalamp) will still be there and running when you unlock, but the lock screen or any password prompt remains fully controlled by macOS.
The terminal app (and javalamp) will still be there and running when you unlock, but the lock screen or any password prompt remains fully controlled by macOS.