HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens

                        DOS BACKUP Control Information

       BACKUPID.@@@ Format

    Offset Size                Description
       00   byte   Disk sequence flag:
                       00  indicates disk is not the last backup diskette
                       FF  indicates disk is the last backup diskette
       01   word   Floppy disk sequence number (Intel format)
       03   word   Backup year, four digits (Intel format)
       05   byte   Day of month (1-31)
       06   byte   Month of year (1-12)
       07   dword  System time if /T was specified (see FILE ATTRIBUTES)
       0B 117bytes Unused


       Backup File Header

    Offset Size                Description
       00   byte   Disk sequence flag:
                       00  indicates disk is not the last backup diskette
                       FF  indicates disk is the last backup diskette
       01   byte   Floppy disk sequence number
       02  3bytes  Unused
       05 64bytes  Full pathname (without drive designator)
       45 14bytes  Unused
       53   byte   Length of file path name at offset 05 plus 1
       54 44Bytes  Unused

Esc or Alt-X to exit backup headers Home/PgUp/PgDn/End ←↑↓→
Converted to HTML in 2006 by Timo Bingmann