Fun with devices [was: Re: /dev/tcx0 crashes SunOS 4.1.4 on Sparc 20's]
Walter Hafner (hafner@FORWISS.TU-MUENCHEN.DE)
Wed, 21 May 1997 09:52:40 +0200
-> If you try to read /dev/tcx0 on a SunOS 4.1.4 Sparc 20 (it didn't
-> work on a 10; didn't have access to a Sparc 5, so I couldn't check
-> that), you will cause a system panic. How do you read it, you ask?
-> Simply "cat /dev/tcx0" or "ls /dev/tcx0/*". You don't need special
Since we're speaking of devices: Ever tried the 'cat /dev/zero >
/dev/keyboard' on a SunOS machine? :-) No special rights required. I
didn't try it lately, but anything from a Sparc1 to a Sparc10 under
SunOS is dead.
-Walter