It's hexdump. It outputs a hexdump alongside ASCII rendering (when possible) of a file. In Debian it's in the `bsdmainutils` package. I found it very useful f

It's hexdump. It outputs a hexdump alongside ASCII rendering (when possible) of a file. In Debian it's in the `bsdmainutils` package. I found it very useful for doing the initial guess work about the binary printer control language I was looking at.