Antony at Soft-Solutions.co.uk
Thu Oct 17 15:01:23 PDT 2002
On Thursday 17 October 2002 10:55 pm, Ian Molton wrote:
> ruifmferreira at hotmail.com ("Rui Ferreira") wrote:
> > From www.kernel.org (the third paragraph)
> > What is Linux?
> > Linux is a clone of the operating system Unix, written from scratch by
> > Linus Torvalds with assistance from a loosely-knit team of hackers
> > across the Net.
> Exactly. note the use of the word 'clone'.
> Linux is a cleanroom unix. it wasnt ported from anything (although it
> probably contains various ported code fragments nowadays...
Depends on your definition of 'port'.
If you mean "take this code and make it work on this other system" then Linux
is not a port of Unix.
If you mean "take this system and create another one which works pretty much
the same" then Linux is a port of Unix.
It's just a difference of what level of abstraction you're talking about.
Never write it in Perl if you can do it in Awk.
Never do it in Awk if sed can handle it.
Never use sed when tr can do the job.
Never invoke tr when cat is sufficient.
Avoid using cat whenever possible.
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