> Yeah, but a credible "multi-tasking" operating system ought to be able > to do both without excessive messiness. Well, then UNIX was not a credible "multi-tasking" operating system until pthreads came along. The POSIX standard for pthreads came out in 1995. Yup. I probably should have put "modern" in my assertion somewhere. BillW (an original member of the unix-hater's mailing list.) -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body