Shared Memory in BSD4.3 is lacking?

[Doug Gwyn]

In article <7435 at ncoast.UUCP> allbery at ncoast.UUCP (Brandon Allbery) writes:
>Umm, as far as I know, USG 3.0 (== System III) did NOT have shared memory.

Right -- it appeared (along with semaphore and message IPC) in USG 4.0,
which seems to have merged these in from earlier UNIX/RT as part of the
consolidation of internal AT&T UNIX variants.

P.S.  I don't know WHAT the "right" way is -- I suspect there isn't one.