exit usage
}
# see /sys/src/9/port/proc.c:/^killbig
-pids=`{psu | awk '$NF ~ /'$1'/ {print $2}'}
-~ $#pids 0 || for(p in /proc/^$pids^/ctl){chmod +w $p; echo noswap >$p; chmod -w $p}
+psu | awk '$NF ~ /'$1'/ {
+c="/proc/"$2"/ctl"
+print "chmod +w "c
+print "@{echo noswap >"c"}"
+print "chmod -w "c
+}' | rc >/dev/null >[2=1]