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I have a set of backup floppy disks and no information on the backup software used. Is there any method of analysing the files to identify the software used and possible recovering the files?
Wow. Backups on floppies. There's a blast from the past! I only know how to do this on a
system. You dd a few blocks of the header of the file into a file, and then run the magic command against them. If /etc/magic is updated, that can help. Other than that, running blind commands like tar, cpio, pax, etc, against them (with the write-protect on) might help as well.
The commands would be:
of=/tmp/somefile bs=32768 count=10 magic/tmp/somefile