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+```
+SYNOPSIS:
+   duplicacy cat - Print to stdout the specified file, or the snapshot content if no file is specified
+
+USAGE:
+   duplicacy cat [command options] [<file>]
+
+OPTIONS:
+   -id <snapshot id>        retrieve from the snapshot with the specified id
+   -r <revision>            the revision number of the snapshot
+   -storage <storage name>  retrieve the file from the specified storage
+```
+
+The *cat* command prints a file or the entire snapshot content if no file is specified.
+
+The file must be specified with a path relative to the repository.
+
+You can specify a different snapshot id rather than the default id.
+
+The `-r` option is optional.  If not specified, the latest revision will be selected.
+
+You can use the `-storage` option to select a different storage other than the default one.
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