There are several System V standards (eg svid 3 and svid 4). The other Unix standard is Unix95 and Unix98. The Open Group (http://www.opengroup.org/) owns the Unix brand. These standards are primarily BSD. The problem in the Unix areana is that each vendor took either the AT&T System V branch or the Berkeley (BSD) branch (With branched off of Unix Version 6 which predates System V). Many BSD innovations were imported to System V. Additionally, each vendor did its own thing. Today, most of the commercial Unixen brand either System V or Unix95 or Unix98. Branding is expensive and requires a suite of tests. The tests cover the behavior of commands, the location of the commands, the various APIs, and to some extent system administration. While there is an effort to standardize Linux, each distro has its own quirks. On 19 Apr 2002 at 21:50, gahn wrote:
I thnik that the possible reasons for thsoe chaotic linux file structure is not the problem of whether complying the standard or not. Those vendores want to sell their products, so they combine vast number of software apckeges and claim those are credical for linux. look, they even put apache
server under /usr, or perl, or tk/tcl... The original unix core was small and efficient ...
Ben Rosenberg
wrote: http://www.oreilly.com/catalog/unixnut3/desc.html Solaris would fall under this and to some extent Linux. I could write a book on the subject..oh wait O'Reilly already did.
The other standard in Unix is BSD..
The difference is usually in the inits and filesystem layout..among other things. SysV is a classification for Unix systems.
Cheers! and Happy reading.
* Bryan Tyson (bryantyson@earthlink.net) [020419 20:28]: ::On Friday 19 April 2002 15:02, Ben wrote: :: ::> SuSE's trying very hard to adhere to the LSB which of course Sun will ::> not do with Solaris. For the most part this is why I picked SuSE all ::> those years ago..because it was the closest Linux distribution to ::> Solaris which is SystemV. :: ::What is System V? An OS, or some sort of standard? Thank you.
-=Ben
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