HP OpenVMS DCL Dictionary
Makes an allocated device available to other processes (but does not
deassign any logical name associated with the device). DEALLOCATE does
not deallocate devices that are in use.
Name of the device to be deallocated. The device name can be a physical
device name or a logical name that is not in use. On a physical device
name, the controller defaults to A and the unit to 0. This parameter is
incompatible with the /ALL qualifier.
Deallocates all devices currently allocated by your process that are
not in use. This qualifier is incompatible with the
In this example, the DEALLOCATE command deallocates unit 1 of the
RK06/RK07 devices on controller B.
$ ALLOCATE MT: TAPE
%DCL-I-ALLOC, _MTB1: allocated
$ DEALLOCATE TAPE:
In this example, the ALLOCATE command requests that any magnetic tape
drive be allocated and assigns the logical name TAPE to the device. The
response to the ALLOCATE command indicates the successful allocation of
the device MTB1. The DEALLOCATE command specifies the logical name TAPE
to release the tape drive.
In this example, the DEALLOCATE command deallocates all devices that
are currently allocated.