Received: (from major@localhost) by minnie.cs.adfa.edu.au (8.9.3/8.9.3) id EAA27681 for pups-liszt; Tue, 26 Oct 1999 04:03:31 +1000 (EST) Received: from csadfa.cs.adfa.edu.au (csadfa.cs.adfa.edu.au [131.236.21.6]) by minnie.cs.adfa.edu.au (8.9.3/8.9.3) with ESMTP id EAA27677 for ; Tue, 26 Oct 1999 04:03:25 +1000 (EST) Received: from 216-80-13-97.d.enteract.com (216-80-13-90.d.enteract.com [216.80.13.90]) by csadfa.cs.adfa.edu.au (8.9.0/8.9.0) with ESMTP id EAA09243 for ; Tue, 26 Oct 1999 04:03:21 +1000 (EST) Received: (from eric@localhost) by 216-80-13-97.d.enteract.com (8.9.3/8.9.3) id NAA25814; Mon, 25 Oct 1999 13:15:15 -0500 (CDT) (envelope-from eric) Date: Mon, 25 Oct 1999 13:15:15 -0500 (CDT) Message-Id: <199910251815.NAA25814@216-80-13-97.d.enteract.com> From: Eric Fischer To: bdc@world.std.com Subject: Re: When did the `dc' command first appear? In-Reply-To: References: Cc: pups@minnie@cs.adfa.oz.au Sender: owner-pups@minnie.cs.adfa.edu.au Precedence: bulk Brian D. Chase writes, > Just a quick question. Was the `dc' command introduced with one of the > BSD releases or did it exist in an earlier version of Unix like the 6th or > 7th Edition? It appears in the First Edition manual, and according to A Quarter Century of Unix, it's even older than that. "There was also a version of dc, desk calculator, a very very early program. That was actually the first program that ran on the PDP-11. It ran standalone before there was an operating system." (p. 35) eric