From: utzoo!decvax!decwrl!sun!gnu Newsgroups: net.unix-wizar Title: Re: Unix on Personal Computers Article-I.D.: sun.229 Posted: Fri Mar 25 02:07:05 1983 Received: Sat Mar 26 01:15:22 1983 References: wivax.11522 I believe MSDOS V.2 is assembler in the kernel but C in the user programs. But to go back to the original comment, all the operating systems for 16-bit micros HAVE been written in C. You certainly can't call CP/M an operating system. An I/O supervisor perhaps. John Gilmore, Sun Microsystems