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The attributes listed here are those that can be included  in  a  file
specification.   The DECnet-related attributes are described in detail
in the DECnet documentation.  Information on file attributes  is  also
contained  in  the  TOPS-20  User's  Guide,  the TOPS-20 Monitor Calls
Reference Manual, and the TOPS-20 Tape Processing Manual.

;A:account               System manager defined account string

;BDATA:user data         DECnet optional binary data

;BLOCK-LENGTH:n          Maximum size of a physical block on a labeled
                         tape.

;BPASSWORD:password      DECnet binary password

;CHARGE:account          DECnet account string

;DATA:user data          DECnet optional data

;EXPIRATION-DATE:date    Date  the   magnetic   tape   file   can   be
                         overwritten

;FORMAT:F,D,S, or U      Magnetic labeled tape record format:

                         F=fixed-length
                         D=variable-length
                         S=spanned
                         U=undefined

;OFF-LINE                Designation  for  a  file  that  is  off-line
                         because of migration or archiving

;P:n                     File protection value

;PASSWORD:password       DECnet password

;POSITION:n              File  sequence  number  for   magnetic   tape
                         positioning

;RECORD-LENGTH:n         Maximum  size  of  a  magnetic  labeled  tape
                         record

;T                       Designation for a file that is to be  deleted
                         at log-out time (a temporary file).  Only for
                         files in log-in and/or connected directories.

;USERID:id               DECnet user ID string

Note that  you  can  issue  TOPS-20  commands  as  an  alternative  to
specifying  many  of  the  file  attributes.   For  example,  SET FILE
PROTECTION, rather than the P attribute, can be used to set  the  file
protection.   Also,  such  commands  as  INFORMATION  FILE-STATUS  and
DIRECTORY (with the EVERYTHING subcommand) display your file attribute
settings.