Path: utzoo!attcan!uunet!cs.utexas.edu!wuarchive!zaphod.mps.ohio-state.edu!unix.cis.pitt.edu!ydist From: ydist@unix.cis.pitt.edu (Yijun Ding) Newsgroups: comp.sys.ibm.pc.hardware Subject: screen saver Keywords: screen, VGA Message-ID: <26247@unix.cis.pitt.edu> Date: 26 Jul 90 15:15:30 GMT Organization: Univ. of Pittsburgh, Computing & Information Services Lines: 8 Is the screen saver program really differ from that of first set color to black and then clear screen? In VGA, when a program is running, I can call int 12h, service 36h, or, textattr(0); clrscr(); I notice the screen saver program on mac does not disable video output.