hd(1) on FreeBSD
The text e1933f188cdf, as FreeBSD 2.2.8-RELEASE, FreeBSD 2.2.7-RELEASE, FreeBSD 2.2.6-RELEASE, FreeBSD 2.2.5-RELEASE, FreeBSD 2.2.2-RELEASE shipped it.
ascii, decimal, hexadecimal, octal dump
Flags it lists
-
-C -
-b -
-c -
-d -
-e -
-f -
-n -
-o -
-s -
-v -
-x