hexdump(1) on OpenBSD
The text 827800b34d36, as OpenBSD 5.6, OpenBSD 5.5, OpenBSD 5.4, OpenBSD 5.3, OpenBSD 5.2, OpenBSD 5.1, OpenBSD 5.0 shipped it.
ascii, decimal, hexadecimal, octal dump
Flags it lists
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-C -
-b -
-c -
-d -
-e -
-f -
-n -
-o -
-s -
-v -
-x