hexdump(1) on OpenBSD
The text a35ab6ad3fec, as OpenBSD 6.6, OpenBSD 6.5, OpenBSD 6.4, OpenBSD 6.3, OpenBSD 6.2, OpenBSD 6.1, OpenBSD 6.0, OpenBSD 5.9 shipped it.
ascii, decimal, hexadecimal, octal dump
Flags it lists
-
-C -
-b -
-c -
-d -
-e -
-f -
-n -
-o -
-s -
-v -
-x