BTW, 

bash$ time ~cagney/build/sim/sim/fast/run -f ~cagney/build/Netbsd/tree
~cagney/build/Netbsd/boot.ppc
bootpath: ofdisk0/netbsd -sd
IPKDB: No interface found!
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All rights reserved.

NetBSD 1.2B (GENERIC) #53: Tue Jan 28 10:28:55 EST 1997
   
cagney@kremvax.tpgi.com.au:/home/people/cagney/build/Netbsd/src/sys/arch/pow
erpc/compile/GENERIC
CPU: Version 0 (Revision 0)
real mem = 4194304
avail mem = 2641920
using 51 buffers containing 208896 bytes of memory
ofroot0 (root) (gpl,clayton)
ofbus0 at ofroot0 (cpus)
cpu at ofbus0 not configured
ofbus1 at ofroot0 (pci)
ofbus2 at ofbus1 (ide)
ofdisk0 at ofbus2 (cdrom)
ofdisk1 at ofbus2 (cdrom)
ofcons0 at ofbus1 (com)
clock: ticks_per_sec 1000000
clock: ns_per_tick 1000 (1000000000 / ticks_per_sec)
clock: hz 10
clock: ticks_per_intr 100000 (ticks_per_sec / hz)
WARNING: no swap space found
init: copying out flags `-s' 3
init: copying out path `/sbin/init' 11
# echo *
echo *
BOOT.PPC;1 bin dev netbsd sbin
# PS1=hi\  sh
PS1=hi\  sh
hi ls
ls
ls: not found
hi pwd
pwd
/
hi exit
exit
# ^CCommand terminated abnormally.
      229.89 real       123.81 user         1.18 sys