Library /sys$common/syshlp/ess$ladcp.hlb DEALLOCATE command  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 	Format:	DEALLOCATE MADn:

 This command will work with tape client devices only.  If a Lastport Tape
 session is active this command will cause the session to end but the UCB
 will be left in a state to attempt a reconnect to the service.