htm 3c21			H	Hyper text markup language comment - a Web document 
htm 3c68746d6c			H	Hyper text markup language - a Web document 
htm 3c				T	Less than (<) sign - typical of html and other formats - not very informative
* 23212f62696e2f73680a		S	Unix/linux shell command (#!/bin/sh)
* 23212f62696e2f		S	Unix/linux command interpreter of some sort (#!/bin/)
* 23212f7573722f		S	Unix/linux command interpreter of some sort (#!/usr/)
* 2320				S	Comment (# ) typically from a shell, basic, or other interpreted text file
* 23				S	Comment (#) typically from a shell, basic, or other interpreted text file
* 23696e636c756465		S	C or other source file (#include)
* 2321				S	Unix command interpreter (#!) of some sort 
* 23212f7573722f6c6f63		S	Probably a Unix script file (#!/usr/loca)
* 2f2a20			S	C comment - typically a C source or header file of some sort (/* )
* 2f2a				S	C comment - typically a C source or header file of some sort (/*)

