Viewer configuration files of devices with ScreenOS
(of Juniper Networks), considers the context of commands.

				For example to:
set vrouter trust-vr sharable
set vrouter "trust-vr"
unset auto-route-export
set protocol ospf
set enable
exit
exit
unset alg sip enable
				and after:
set vrouter trust-vr sharable
set vrouter "trust-vr"
   unset auto-route-export
   set protocol ospf
      set enable
   exit
exit
unset alg sip enable