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CHKPNT.DOC -- Version 3(111)
January 1978






























COPYRIGHT (C) 1976,1977,1978 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.

CPT3.DOC                                                        Page 2


CHKPNT.DOC -- Version 3(111)
January 1978



1.0  SUMMARY

CHKPNT has three major functions:

     1.  Compile account statistics on disk space utilization.

     2.  Set the monitor checkpoint interval.

     3.  Copy system-generated accounting data to the accounting file.

CHKPNT version 3(111) runs only on Release 3 of TOPS-20.

CHKPNT is documented in the TOPS-20 Operator's Guide.



2.0  EXTERNAL CHANGES

New commands have been added to copy the  system-generated  accounting
data to another file, and to erase processed system data.



3.0  KNOWN BUGS AND DEFICIENCIES

None as of 1-Jan-78.



4.0  INSTALLATION INSTRUCTIONS


4.1  Files Needed to Run CHKPNT

CHKPNT consists of one file, CHKPNT.EXE

CPT3.DOC                                                        Page 3


4.2  Instructions for Loading and Installing CHKPNT

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

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


4.3  Files Needed to Build CHKPNT

CHKPNT is built from the following file:

     CHKPNT.MAC

In addition, the following files must be on SYS:

     MACREL.REL
     MACSYM.UNV
     MONSYM.UNV


4.4  Instructions for Building CHKPNT

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 CHKPNT.CTL/TIME/UNIQ:0/REST


4.5  Special Considerations

None.

CPT3.DOC                                                        Page 4


5.0  INTERNAL changes

CHKPNT has been modified to write the new format USAGE file entries.

Refer to CHKPNT.TCO for detailed information about the changes.



6.0  SUGGESTIONS

None.



[End of CPT3.DOC]