ref: f78033a99ecf9e539207ad1c4e8d5a0188d9a56f dir: /sys/lib/rootbind/
bind `{pwd} /n/src9 bind /n/src9/$objtype/bin /bin bind -a /n/src9/rc/bin /bin for(i in $objtype rc acme mail sys lib cron){bind -c /n/src9/$i /$i}