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CONV20.DOC -- Version 3(5)
September 1978






























COPYRIGHT (C) 1977,1978 BY
DIGITAL EQUIPMENT CORPORATION, MAYNARD, MASS.


THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY BE USED AND  COPIED
ONLY  IN  ACCORDANCE  WITH  THE  TERMS  OF  SUCH  LICENSE AND WITH THE
INCLUSION OF THE ABOVE COPYRIGHT NOTICE.  THIS SOFTWARE OR  ANY  OTHER
COPIES  THEREOF MAY NOT BE PROVIDED OR OTHERWISE MADE AVAILABLE TO ANY
OTHER PERSON.  NO TITLE TO AND OWNERSHIP OF  THE  SOFTWARE  IS  HEREBY
TRANSFERRED.

THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE  WITHOUT  NOTICE
AND  SHOULD  NOT  BE  CONSTRUED  AS  A COMMITMENT BY DIGITAL EQUIPMENT
CORPORATION.

DIGITAL ASSUMES NO RESPONSIBILITY FOR THE USE OR  RELIABILITY  OF  ITS
SOFTWARE ON EQUIPMENT WHICH IS NOT SUPPLIED BY DIGITAL.

CVT3.DOC                                                        Page 2


CONV20.DOC -- Version 3(5)
September 1978



1.0  SUMMARY

CONV20 is a program which converts USAGE file format to the FACT  file
format  supported  in  Release  3A  (See  the  DECSYSTEM-20 USAGE File
Specification for  a  complete  description  of  the  USAGE  and  FACT
formats.) This program is the only program that supports the FACT file
in Release 3A.  It is needed if an installation is  dependent  on  the
mixed-mode  FACT  format.   Note  that  Release 3A outputs USAGE files
only.

CONV20 does not depend on any other software during its execution.

CONV20 is only documented in this document  and  in  CONV20.HLP  file.
Read CONV20.HLP for instructions on how to use this program.



2.0  EXTERNAL CHANGES

There are some differences in the FACT files that CONV20 produces than
what  is  found  in FACT files produced by Release 3A.  Following is a
list of them:

     1.  The FACT entries (e.g., login and logout)  are  out  of  time
         sequence.   Instead  a logout entry follows immediately after
         its login entry.

     2.  There are no  numeric  account  numbers  in  the  FACT  file.
         However,  if an account is numeric, ACCTPR translates it to a
         numeric account just as it always.

     3.  Change account entries are no longer made.  If  CONV20  reads
         in a session entry (USAGE format), a login and logout pair of
         entries are made.

     4.  The console connect time (stored  in  the  fifth  word  of  a
         logout entry) is in seconds now instead of milliseconds.

     5.  Terminal attach and detach entries are not made.



3.0  KNOWN BUGS AND DEFICIENCIES

None.

CVT3.DOC                                                        Page 3


4.0  INSTALLATION INSTRUCTIONS


4.1  Files Needed to Run CONV20

CONV20 consists of one file, CONV20.EXE.  An input file in  the  USAGE
format is also used.


4.2  Instructions for Loading and Installing CONV20

Mount the tape labeled  Distribution  Tape  on  MTA0:   and  type  the
following commands:

     R DUMPER
     TAPE MTA0:
     REWIND
     DENSITY 1600-BPI
     SKIP 2
     RESTORE <*>CONV20.EXE (TO) SYS:*.*.-1
     REWIND


4.3  Files Needed to Build CONV20

CONV20 is built from the following file:

     CONV20.MAC

In addition, the following files must be in SYS:

     MACREL.REL
     MACSYM.UNV
     MONSYM.UNV


4.4  Instructions for Building CONV20

Mount the tape labeled  Distribution  Tape  on  MTA0:   and  type  the
following commands:

     R DUMPER
     TAPE MTA0:
     REWIND
     DENSITY 1600-BPI
     SKIP 3
     RESTORE <*>*.*.* (TO) <self>*.*.*
     REWIND
     ^C
     SUBMIT CONV20.CTL/TIME/UNIQUE:0/RESTART

CVT3.DOC                                                        Page 4


5.0  INTERNAL CHANGES

Refer to CONV20.TCO for detailed information of changes to CONV20.



6.0  SUGGESTIONS

None.



[End of CVT3.DOC]