dangerous situation with shutdown process

[Matthias Buelow]

Rick Kelly wrote:

>The main reason for sync;sync;sync on V7 UNIX was because you couldn't 
>do a shutdown, only a halt to the hardware monitor, on the PDP11. You
>can verify that behavior with SIMH. :-)

Uhm.. that's the same on the VAX.. in what way would that preclude
a shutdown? NetBSD certainly shuts down on VAX (and drops into the
monitor when it's done.)

mkb.