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Message: [QUOTE="Darrell Grainger, post: 2381853"] A hex dump is a utility to display the contents of memory or a file in a grid of hexidecimal values. It typically has something like: OFFSET: 00 11 22 33 44 55 66 77 88 99 AA BB CC DD EE FF OFFSET: 00 11 22 33 44 55 66 77 88 99 AA BB CC DD EE FF OFFSET: 00 11 22 33 44 55 66 77 88 99 AA BB CC DD EE FF OFFSET: 00 11 22 33 44 55 66 77 88 99 AA BB CC DD EE FF Where OFFSET is the offset from start of the file or it is a memory address. The rest of the information is the hexidecimal values at those locations. It is useful for examining binary data. If I am using something like fread and fwrite to read and write structures, I can do a hex dump to examine the data and see what it looks like. It is a fast way to see if some of the data is not getting generated properly. [/QUOTE]