On Thu, 10 Mar 2005, Nate Straz wrote: >> So Linux is UNIXish but it isn't UNIX. > > I think you're confusing UNIX and Posix. Our messages probably crossed on the 'net. There is a "Single UNIX Specification" and that is what I'm referring to. POSIX is one aspect of that standard, I guess, but I haven't studied it much. Apparently, the Linux Standards Base (LSB) was based on the Single UNIX Specification Version 2. This is a couple of years old: http://www.opengroup.org/platform/single_unix_specification/uploads/40/1013/lwe2002-c65.pdf Mike