The image's entry on the known file list becomes associated with the latest
version of the image file.  The replace function can be used to assign
additional attributes to a known image or remove attributes.  To do so,
use the CREATE command qualifiers or their negation.

Format:         REPLACE [file-spec] /qualifier

Additional information available:

ExamplesQualifiers

        CREATE INSTALL/PRIV=(CMKRNL, SYSGBL, PRMGBL)/NOPURGE

                Installs SYS$SYSTEM:INSTALL.EXE with privileges and
                specifies that it cannot be purged.


        REPLACE INSTALL/PURGE/ACCOUNTING

                Replaces the entry for SYS$SYSTEM:INSTALL.EXE and
                leaves it installed with privilege, removes the
                NOPURGE attribute, and adds the ACCOUNTING attribute.

Additional information available:

/ACCOUNTING/NOACCOUNTING/EXECUTE_ONLY/NOEXECUTE_ONLY
/HEADER_RES/NOHEADER_RES/LOG/NOPURGE/PURGE
/OPEN/NOOPEN/PRIVILEGED/NOPRIVILEGED/PROTECTED
/NOPROTECTED/SHARED/NOSHARED/WRITEABLE
/NOWRITEABLE

Activate image level accounting for the installed image.

Remove the ACCOUNTING attribute.

Install a known image with execution-only access permitted.

Remove the execution-only protection attribute from a known image.

Install a known image with a permanently resident header.
The image will be made permanently open even if /OPEN is not
specified.

Remove the HEADER_RES attribute.

List the replaced known file entry along with any global sections for
the entry.

Specifies that this entry will not be deleted by a PURGE command.

Remove the NOPURGE attribute.

Install a permanently open known image.

Remove the OPEN attribute.

Add the PRIV attribute (executable images only).
The image will be made permanently open even if /OPEN is not
specified, if it does not reside on the system device.

Remove the PRIV attribute.

Install a known image with protected code.

Remove the PROTECTED attribute.

Install a shareable known image.  Causes creation of global sections
for the image.  The image is made permanently open even if /OPEN
is not specified.

Remove the SHARED attribute.

Install a writeable known image.  This qualifier is ignored if not
accompanied by /SHARED.

Remove the WRITEABLE attribute.