typo, s if for system, not display. enter "man caffeinate" in terminal for details.
> 2017/11/06 5:00、Keisuke Miyako via 4D_Tech <4d_tech@lists.4d.com> のメール: > sprevent display from sleep (but not if running on battery) ********************************************************************** 4D Internet Users Group (4D iNUG) FAQ: http://lists.4d.com/faqnug.html Archive: http://lists.4d.com/archives.html Options: http://lists.4d.com/mailman/options/4d_tech Unsub: mailto:4d_tech-unsubscr...@lists.4d.com **********************************************************************