Library /sys$common/syshlp/DMU.HLB  —  BACKUP
  The BACKUP command copies portions of  the  directory  hierarchy  and
  their related data definitions into a backup file.

  With the BACKUP command, you can keep a backup copy of your directory
  hierarchy, complete with history lists and access control lists.  You
  specify the dictionary directories, subdictionaries, and objects  you
  want  backed  up  and  whether you want to record the backup in their
  history lists.  You can also create a log of the given names  of  the
  dictionary  directories,  subdictionaries,  and objects in the backup
  file.

  Command Syntax:

   BACKUP [qualifiers] [path-name [, path-name]]... file-specification

1  –  parameters 

  path-name

  Specifies the dictionary directories,  subdictionaries,  and  objects
  you  want  copied into the backup file.  The path name is optional if
  the /LIST qualifier is the only one used.  You can use the  wildcards
  %  and  *  in  the  last given name of the path name, and you can use
  either > or .> at the end of the chain.  You cannot use  @.   If  you
  are  using  a  terminal  of  the  VT200  family,  you  can  use 8-bit
  characters in path names.

  DMU assumes a > at the end of the chain as a default.

  Type "HELP specify path-name" for further information.

  file-specification

  Names the backup file.  Use the standard VMS file specification.  The
  default file type is .BAK.

2  –  privileges 

   o  You  need  PASS_THRU  and  SEE  at  each  dictionary   directory,
      subdictionary, or object to be backed up.

   o  You need HISTORY at these directories and objects to use /AUDIT.

   o  You  need  CONTROL  at  these  directories  and  objects  to  use
      /PROTECTION.

3  –  qualifiers

3.1    /AUDIT 

  Syntax:

      /AUDIT [= (quoted-string [, quoted-string]...)]
      /AUDIT = file-specification
      /NOAUDIT

  Use /AUDIT to create history list entries auditing the backup of each
  dictionary directory, subdictionary, or object.

  You can include explanatory text in history  list  entries  in  three
  ways:

   o  By specifying the /AUDIT qualifier.  If  you  include  no  quoted
      string or file-specification, DMU provides a default history list
      entry describing your operation.

   o  By including quoted  strings.   Enclose  each  quoted  string  in
      double  quotation  marks,  and  enclose  the series of strings in
      parentheses.  The parentheses are optional if  you  specify  only
      one quoted string.

   o  By specifying a file whose contents are to  be  included  in  the
      history  list  entry.   The  file specification is a standard VMS
      file specification, and the default file type is .DAT.   You  can
      include  no  more  than 64 input strings in a history list entry.
      DMU ignores any excess.

  With /NOAUDIT, no history list entries are created.  The  default  is
  /NOAUDIT.

3.2    /HISTORY 

  Syntax:

      /[NO]HISTORY

  Use /HISTORY to  copy  history  lists  into  the  backup  file.   Use
  /NOHISTORY  to exclude history lists from the information copied into
  the backup file.

  The default is /NOHISTORY.

3.3    /LIST 

  Syntax:

      /LIST [=file-specification]
      /NOLIST

  Use /LIST to create a  listing  of  the  dictionary  directories  and
  objects  in  a  backup file.  If you specify a path name and a backup
  file, BACKUP/LIST creates the backup file and the listing  file.   If
  you  do not specify a path name, BACKUP/LIST creates a listing from a
  specified, already existing backup file.

  The listing file contains a sentence  indicating  whether  protection
  and history list information is part of the backup file.  The rest of
  the listing file resembles the output of a LIST/BRIEF command.

  Specify a standard VMS file name for the listing file.   The  default
  file  type  is .LIS.  If you do not specify a listing file, DMU sends
  the output to SYS$OUTPUT.

  Use /NOLIST to prevent the creation of a listing  file.   /NOLIST  is
  the default.

  Do not use /LIST with  /LOG  if  the  output  for  both  is  sent  to
  SYS$OUTPUT.  If you do, DMU produces confusing output.

3.4    /LOG 

  Syntax:

      /LOG [= file-specification]
      /NOLOG

  Use /LOG to create a list of the given names of all of the dictionary
  directories, subdictionaries, and objects backed up.

  The file specification is a standard VMS  file  specification  naming
  the  file  into  which  the log is written.  The default file type is
  .LOG.  If you use /LOG without specifying a file, DMU writes the  log
  to SYS$OUTPUT.

  With /NOLOG, no list is created.  The default is /NOLOG.

  Do not use /LOG with  /LIST  if  the  output  for  both  is  sent  to
  SYS$OUTPUT.  If you do, DMU produces confusing output.

3.5    /PROTECTION 

  Syntax:

      /[NO]PROTECTION

  Use /PROTECTION to include access control lists in the  backup  file.
  Use   /NOPROTECTION   to   exclude  access  control  lists  from  the
  information copied into the backup file.

  The default is /NOPROTECTION.
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