> A named pipe is better than over-loading all the signals as they did in
> SysVr2 and SysVr3, but of course as wise NetBSD systems programmers we
> would put such a critter in /var/run (or /run, since it's gotta be there
> right off the bat).

Unless SVR4 documented that the way to change the runlevel is to echo something
into a given named pipe, surely a sensible BSD equivalent would be a socket
file?  It's much harder to cut oneself playing with one of those...