1    /ALL

       /ALL
       /NOALL (default)

    Release all messages shown by the last DIRECTORY/HELD command.
    When used in conjunction with the /CHANNEL qualifier, only
    those messages shown by the last DIRECTORY/HELD command for the
    specified channel will be released.

    Unless /NOCONFIRM is specified with /ALL, you will be required to
    confirm any RELEASE/ALL operation.

2    /CHANNEL

       /CHANNEL=name

    Specifies the name of the channel from which to release messages.
    Wildcards are not permitted.

3    /CONFIRM

       /CONFIRM
       /NOCONFIRM (default)

    When /CONFIRM is specified, you will be prompted to confirm each
    message release operation.

4    /LOG

       /LOG (default)
       /NOLOG

    Specifies whether informational messages for each message release
    operation are generated.