CMS> MODIFY LIBRARY/REFERENCE_COPY=[WORK.REFCOPY] "current
    test area"
    %CMS-S-MODIFIED, library [WORK.CODELIB] modified

      This command establishes the reference copy directory
      [WORK.REFCOPY] for the current CMS library. In addition, to
      update the reference copy directory, an element must be set to
      /REFERENCE_COPY. Thus, if these two conditions are met, each
      transaction that creates a new main line element generation
      also updates the reference copy directory.

6  –  RESERVATION

    Changes the characteristics of a specified reservation.

       Format:

          MODIFY RESERVATION  element-expression /qualifier "remark"

6.1  –  Restrictions

    o  You must specify the following qualifier: /REMARK.

6.2  –  Command Parameters

 element-expression

    Specifies one or more elements whose reservation reservations are
    to be modified. An element expression can be an element name, a
    group name, a wildcard expression, or a list of these separated by
    commas.

 remark

    Specifies a character string to be logged in the history file with
    this command, usually used to explain why the command was entered.
    The remark is enclosed in quotation marks. If no remark was
    entered, a null remark ("") is logged. Note that this parameter
    and the string on the /REMARK qualifier are unrelated.

6.3  –  Description

    The MODIFY RESERVATION command changes the remark that is
    associated with a particular reservation of one or more
    elements. Use the SHOW RESERVATIIONS command to display
    reservation characteristics.

6.4  –  Qualifiers

6.4.1    /CONFIRM

    Controls whether CMS prompts you for confirmation before each
    transaction.

    When you specify /CONFIRM and run CMS in interactive mode, CMS
    prompts you for confirmation. If you type YES, ALL, TRUE, or 1,
    CMS executes the transaction.  If you type NO, QUIT, FALSE, 0,
    or press RETURN or CTRL/Z, no action is performed. If you type
    any other character, CMS continues to prompt until you type an
    acceptable response.

    CMS does not prompt for confirmation in batch mode.

6.4.2    /GENERATION[=generation-expression]

    Specifies which reserved generation of the element is to be
    modified. If you have more than one reservation of the same
    element generation, you must use the /IDENTIFICATION_NUMBER
    qualifier to identify the reservation.

6.4.3    /IDENTIFICATION_NUMBER=n

    Specifies which reservation is to be modified. This qualifier
    is required when you have multiple reservations of the same
    generation of an element. /IDENTIFICATION_NUMBER can be used
    instead of /GENERATION when you have multiple reservations. Use
    the SHOW RESERVATIONS command to determine the identification
    number of each reservation. The identification number appears
    before the user name.

6.4.4    /LOG (D)

    Controls whether CMS displays success and informational messages
    on the default output device. By default, if the command executes
    successfully, CMS displays a success message. If you specify
    /NOLOG, success and informational messages are suppressed. Any
    warning, error, or fatal error messages are displayed regardless
    of whether /LOG or /NOLOG is specified.

6.4.5    /OCCLUDE[=option,...]

    Controls whether CMS selects the first instance of the specified
    object, or all instances of the specified object in the library
    search list. The options field contains one or more keywords
    associated with the name of the object. The options field can
    contain the following keywords:

       ALL--equivalent to (ELEMENT, GROUP, CLASS)
       ELEMENT (D)
       NOELEMENT
       GROUP (D)
       NOGROUP
       CLASS (D)
       NOCLASS
       NONE--equivalent to (NOELEMENT, NOGROUP, NOCLASS)

    You can specify either ALL or NONE, or any combination of the
    [NO]ELEMENT, [NO]GROUP, and [NO]CLASS keywords.

    By default, CMS performs occlusion for all objects; that is, CMS
    selects only the first occurrence of a specified object.

6.4.6    /REMARK="string"

    Specifies a new remark to be substituted for the remark that is
    associated with the reservation. This qualifier is required.

6.5  –  Example

    CMS> MODIFY RESERVATION/GENERATION=5/REMARK="Add new feature"
    _Element expression: SPEC.TXT
    _Remark: Modify the reservation remark
    %CMS-S-MODIFIED, reservation SPEC.TXT modified

      This command specifies a new remark to be substituted for the
      reservation remark that was specified when generation 5 of
      element SPEC.TXT was reserved. You must also specify the element
      expression, and its associated remark, which is logged in the
      history file.