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@@ -13,8 +13,13 @@ DESCRIPTION
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*btrfs-image* is used to create an image of a btrfs filesystem.
All data will be zeroed, but metadata and the like is preserved.
+Mainly used for debugging purposes.
+
+In the dump mode, source is the btrfs device/file and target is the output
+file (use '-' for stdout).
+
+In the restore mode (option -r), source is the dumped image and target is the btrfs device/file.
-Mainly used for debug purpose.
OPTIONS
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