Re: Linux - open design??

[Kyle Moffett]

On Dec 13, 2004, at 23:01, ram mohan wrote:
> Hi All,
> When we say Linux is open source and we have the sites
> where we can download the source from, why is not
> linux design (High Level and Low Level) not that well
> publicised? (Or is it that I am not aware of - in
> which case I would like to know where it is.)
> I am looking for a traceability matrix- where I start
> with requirements of Linux, dig into the
> design(HLD/LLD) and then the source.

Well, generally the linux architecture changes so fast that any such 
documents
become nearly immediately out of date and useless.  There is some 
really good
_current_ stuff in the Documentation directory of whatever kernel 
sources you've
got, if you want to take a look, but that's about it.  There are a 
number of sites that
document some of the simpler API's, but the complex stuff just changes 
too much
for that kind of thing to be useful.  Oh, and BTW, concerning a 
traceability matrix,
generally it doesn't really exist except for proprietary software.  
Linux design is
not "requirements-based" as commercial software is, it's 
"I-want-this-feature-bad-
-enough-to-code-it-and-get-it-included-based".  I suspect that 
companies like
IBM internally have requirements-based systems to organize their 
employees
into various tasks, but publicly there is no such system, aside from 
"It's broken
and I fixed it with this patch:".

Cheers,
Kyle Moffett

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