file(1) on Linux
The text 87b94bf90282, as Debian 4.0 (Etch) shipped it.
determine file type
Flags it lists
-
--brief -
--checking-printout -
--compile -
--dereference -
--help -
--keep-going -
--mime -
--no-buffer -
--no-dereference -
--no-pad -
--preserve-date -
--raw -
--special-files -
--uncompress -
--version -
-C -
-L -
-N -
-b -
-c -
-h -
-i -
-k -
-n -
-p -
-r -
-s -
-v -
-z