od(1) on FreeBSD
The text 271b59595ec9, as FreeBSD 7.4-RELEASE shipped it.
octal, decimal, hex, ASCII dump
Flags it lists
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-A -
-B -
-D -
-F -
-H -
-I -
-L -
-N -
-O -
-X -
-a -
-b -
-c -
-d -
-e -
-f -
-h -
-i -
-j -
-l -
-o -
-s -
-t -
-v -
-x