Linked by Thom Holwerda on Thu 1st May 2008 19:41 UTC
Law and Order Speaking of soap operas, there's one soap opera in the technology world that has been going on for so long that nobody really seems to know why it was ever started, whatever all the different moves have been over the years, or whoever lost or won which battle. Just like a true soap opera, you can just jump right in the middle of it and feel like you've always been part of the regular audience. The SCO saga is such a case.
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RE: Apples and Oranges
by lemur2 on Sat 3rd May 2008 00:54 UTC in reply to "Apples and Oranges"
lemur2
Member since:
2007-02-17

As mentioned above, UNIX is a specification. There are different implementations of that specification (or a specific version of the specification, to be exact), and only the Open Group (iirc) can "bless" ann implementation as UNIX. Linux, on the other hand is a unix-like OS. It implements much of the POSIX standard.

There is no such thing as the "UNIX" code. You can't copy "UNIX" code into your OS, it does not exists. However, there implementations of the standard that can be called UNIX. Thus, it would be more appropriate (technically, not actually) to say Linux is a copy of AIX, or Linux is a copy of SCO Openserver. Or you could say Linux took System V code. But you cannot say Linux is a copy of UNIX. Unless you are Darl, of course!


Sigh!

Linux is not a copy of AIX, and Linux is not a copy of SCO Openserver, and Linux is not a copy of any UNIX.

Linux is a new codebase, built from the ground up. It is a mostly-compliant implementation of the POSIX standard.

Just like the situation where, even though both Fords and Hondas have petrol-driven engines, a Honda engine is not a copy of a Ford engine, so too is Linux NOT a copy of any other POSIX compliant OS.

Period.

Get this word "copy" right out of your head.

Linux is an mostly-complete re-implementation of the POSIX standard, written by collaboration over the Internet (mostly via mailing lists) starting from the efforts of Linus Torvalds in about 1990.

Edited 2008-05-03 00:55 UTC

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