file(1) on Linux
The text 6803636ecfe1, as Debian 2.2 (Potato) shipped it.
determine file type
Flags it lists
-
--brief -
--checking-printout -
--dereference -
--files-from -
--help -
--magic-file -
--no-buffer -
--special-files -
--uncompress -
--version -
-L -
-b -
-c -
-f -
-m -
-n -
-s -
-z