Use more-standard CPU server not cpu server.
 [rsc] --rw-rw-r-- M 923680 glenda sys 3804 Oct  4 23:31 sys/man/1/cpu
 [rsc] --rw-rw-r-- M 923680 rsc sys 779 Oct  4 23:31 sys/man/1/delkey
 [rsc] --rw-rw-r-- M 923680 glenda sys 14709 Oct  4 23:31 sys/man/4/factotum
 [rsc] --rw-rw-r-- M 923680 glenda sys 3397 Oct  4 23:31 sys/man/8/nfsserver
 [sys] --rwxrwxr-x M 923680 glenda sys 139098 Oct  5 23:09 386/bin/cpu
	/sys/src/libauth/newns.c:buildns
	/sys/src/libauth/newns.c:callexport
	/sys/src/libauth/newns.c:expandarg
	/sys/src/libauth/newns.c:famount
	/sys/src/libauth/newns.c:nextdollar
	/sys/src/libauth/newns.c:nsfile
	/sys/src/libauth/newns.c:nsop
	/sys/src/libauth/newns.c:setenv
	/sys/src/libauth/newns.c:splitargs
	/sys/src/libauth/newns.c:unquote
	/sys/src/libc/9sys/ctime.c:gmtime
	/sys/src/libc/port/strpbrk.c:strpbrk