Path: utzoo!attcan!telly!lethe!torsqnt!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!uunet!crdgw1!crdos1!davidsen From: davidsen@crdos1.crd.ge.COM (Wm E Davidsen Jr) Newsgroups: comp.lang.c Subject: Re: swap(x,y) Summary: Environment variables Message-ID: <457@crdos1.crd.ge.COM> Date: 22 Sep 89 12:57:16 GMT References: <8350@boring.cwi.nl> <33719@ism780c.isc.com> Reply-To: davidsen@crdos1.UUCP (bill davidsen) Organization: GE Corp R&D Center Lines: 18 In article <33719@ism780c.isc.com>, news@ism780c.isc.com (News system) writes: | IF SENSE SWITCH -- gave access to switches on the operators console This was the way we read environment variables. There were 22 switches, read into our 22 bit words. | | SENSE LIGHT -- to turn on a light on the operators console Dynamic display of program trace, stack usage, etc. We had the right ideas 30 years ago, just not the right names for them. What good is a system with no blinking lights? -- bill davidsen (davidsen@crdos1.crd.GE.COM -or- uunet!crdgw1!crdos1!davidsen) "The world is filled with fools. They blindly follow their so-called 'reason' in the face of the church and common sense. Any fool can see that the world is flat!" - anon