On 11/30/2014 04:24 PM, Johnny Billquist wrote: `strings` shows postscript and: $Id: slip.c,v 1.1.5.4 1995/04/12 23:27:02 mccrory Exp $ $Id: slip_stuff_unstuff.c,v 1.1.10.4 1996/05/15 14:27:34 wils Exp $ I thought...CVS? (or is that RCS?SCCS?) info woulda been stripped? No, many times it was left in the binaries for exactly this reason, identification. Yes. And you had/have a special tool to locate them and print them out: ident And it would have been SCCS in those days. 1995? Not neccesarily SCCS. Lot of other revision control systems had been around for a while by then... Oh, I didn't realize it was that late. (and apparently I didn't pay attention to those date stamps! ;)) I was using CVS by then. -Dave -- Dave McGuire, AK4HZ/3 New Kensington, PA