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The Lounge What is on Your Mind? Technology Illustrated A Simple History of UNIX Illustrated Post 302867935 by cjcox on Friday 25th of October 2013 10:18:08 AM
Old 10-25-2013
Oh.. and HP-UX has never touched Svr4.. just saying.

Like AIX, as far as I know, both are Svr2 derivatives. While HP-UX did appear to have many things from the ill-fated Svr3, as far as I know, that really isn't the case.

Digital's Unix variants (there were multiple) are not shown... and they had great impact. DEC had a SVR variant, their Ultrix BSD variant and of course, one of the most successful deployments of of OSF/1 (all vendor variants not shown in the pic) which eventually became Digital Unix.

Mac OS/X isn't Unix at all and uses the (crummy) Mach kernel. Which, if you're going to show that, you might as well show all of the Mach based variants out there. And arguably if you're going to stray that far then QNX, etc... those types of things aren't out of the question.

Sigh.. this is actually a very hard thing to do. So.. IMHO, maybe just keep things to true Unix variants... even then the picture will still need some detail. But with OS/X, Linux, Minix and such removed, you'll have room for the missing things.

Also remember that for completeness, there are (very large) existing alternatives out there already as far as pictures go which do document the "Unix and Unix-like" OS's.

UNIX History

So.. pretty picture, but since it's not complete (nor accurate), people like myself and others will really pick this thing apart (don't put this into any textbook).
 

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DBIx::Simple::Result::RowObject(3)			User Contributed Perl Documentation			DBIx::Simple::Result::RowObject(3)

NAME
DBIx::Simple::Result::RowObject - Simple result row object class DESCRIPTION
This class is the default for the "object" and "objects" result object methods. Mainly, it provides syntactic sugar at the expense of performance. Instead of writing my $r = $db->query('SELECT foo, bar FROM baz')->hash; do_something_with $r->{foo}, $r->{bar}; you may write my $r = $db->query('SELECT foo, bar FROM baz')->object; do_something_with $r->foo, $r->bar; This class is a subclass of Object::Accessor, which provides per-object (rather than per-class) accessors. Your records must not have columns names like these: * can * ls_accessors * ls_allow * mk_accessor * mk_clone * mk_flush * mk_verify * new * register_callback * ___autoload * ___callback * ___debug * ___error * ___get * ___set And of course DESTROY and AUTOLOAD, and anything that new versions of Object::Accessor might add. DBIx::Simple::OO DBIx::Simple::OO is a third party module by Jos Boumans that provided "object" and "objects" to DBIx::Simple. Similar functionality is now built in, in part inspired by DBIx::Simple:OO. Using DBIx::Simple 1.33 or newer together with DBIx::Simple::OO 0.01 will result in method name clash. DBIx::Simple::Result::RowObject was written to be compatible with DBIx::Simple::OO::Item, except for the name, so "isa" calls still need to be changed. In practice, DBIx::Simple 1.33 makes DBIx::Simple::OO obsolete. AUTHOR
Juerd Waalboer <juerd@cpan.org> <http://juerd.nl/> SEE ALSO
DBIx::Simple perl v5.16.3 2010-12-06 DBIx::Simple::Result::RowObject(3)
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