“Linux has been a very popular buzzword for the last few years,
recently edging out ‘paradigm’ as the buzzword of choice in IT
circles. It is used to describe a number of things, several of
which have little or nothing to do with Linux.“Firstly, Linux is a trademark owned by Linus Torvalds. The word
Linux is often used without trademark acknowledgement and may have
already become a generic term so it is entirely likely that an
attempt to defend the trademark would fail. In contrast, the Open
Group has been fairly zealous in maintaining the UNIX
trademark–last year suing Apple for describing Mac OS X as UNIX
without first submitting it for certification…”