-Extract each FILE according to its extension.
-7z bz2 deb gz iso rar rpm tar xz zip & variations.
-See source for exact file extensions."
+Extract many types of files based on their extensions
+
+7z bz2 deb gz iso dsc rar rpm tar xz zip sfs & some combinations.
+See source for exact file extensions.
+Note: apt-get install dtrx will do the same for
+most of these types, plus some more, I'm going
+to try it out sometime."