LinuxInsider: Is Linux Unix?

“My Web logs show that somebody asked Google an interesting
question sometime just before 08:03:41 Eastern on January 24th and
then again sometime before 04:54:29 Eastern on January 26th. As
entered the first time, the search was for ‘linux to unix
relationship,’ although that became ‘relationship of linux to unix’
a few minutes later and ‘what is the relation of Linux to Unix’ two
days after that.

“Since my personal site isn’t the first one that comes up when
you do these searches, I decided the person must have been very
interested in pursuing the question. So I set out to answer that
question in this column. Aside from legal considerations associated
with trademarks and copyrights, I know, of course, that the answer
is obvious: Linux is Unix. Duh. Even Scott McNealy has said
so…”

Complete
Story