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	"Question:  Can someone explain how tar writes its file
	information header to me so I can try to reconstruct (patch)
	the disk for recovery?"
On my (Berkeley-derived) system, "man 5 tar" tells all this.
  -=- Andrew Klossner   (decvax!tektronix!tekecs!andrew)       [UUCP]
                        (andrew%tekecs.tek.com at relay.cs.net)   [ARPA]