file(1) on Linux
The text abdffdfb3e8e, as Debian 6.0 (Squeeze) shipped it.
determine file type
Flags it lists
-
--brief -
--checking-printout -
--compile -
--dereference -
--exclude -
--files-from -
--help -
--keep-going -
--magic-file -
--mime -
--mime-encoding -
--mime-type -
--no-buffer -
--no-dereference -
--no-pad -
--preserve-date -
--print0 -
--raw -
--separator -
--special-files -
--uncompress -
--version -
-0 -
-C -
-F -
-L -
-N -
-b -
-c -
-e -
-f -
-h -
-i -
-k -
-m -
-n -
-p -
-r -
-s -
-v -
-z