A lot of Plan 9 stuff came from the post-7 AT&T additions. (which never got popularity) Both Rio and 8½ were successors of its windowing system in particular.
A lot of people have that impression, I think because the version in Linux is more or less a clone of the Plan 9 /proc, rather than having come via Linux’s Unix heritage (since the branch of Unix that Linux originally cloned didn’t have a /proc). But, yeah, the Plan 9 /proc itself is an adaptation of an earlier Unix concept, just not one that made it into the widespread commercial versions of Unix.
Note that in addition to the eulogy, this page has a copy of a paper that was previously not on the web:
Ooops, I’ve been running my mouth telling people
/procis a Plan 9 concept that bled over into Unix.Edit (for clarity): not since his passing!
A lot of Plan 9 stuff came from the post-7 AT&T additions. (which never got popularity) Both Rio and 8½ were successors of its windowing system in particular.
Which windowing system was that?
mux - IIRC, you’d see it on Blits.
Great video.
A lot of people have that impression, I think because the version in Linux is more or less a clone of the Plan 9 /proc, rather than having come via Linux’s Unix heritage (since the branch of Unix that Linux originally cloned didn’t have a /proc). But, yeah, the Plan 9 /proc itself is an adaptation of an earlier Unix concept, just not one that made it into the widespread commercial versions of Unix.