hd(1) on FreeBSD
The text 88053ef540a3, as FreeBSD 3.2-RELEASE, FreeBSD 3.1-RELEASE, FreeBSD 3.0-RELEASE shipped it.
ascii, decimal, hexadecimal, octal dump
Flags it lists
-
-C -
-b -
-c -
-d -
-e -
-f -
-n -
-o -
-s -
-v -
-x