hexdump — Display file contents in hexadecimal, decimal, octal, or ASCII. Useful for inspecting dump file, binary data, or debug output. See also: `hexyl`, `od`, `xxd`.
# source: tldr · verified

Examples:
  # Print the hexadecimal representation of a file, replacing duplicate lines by '*' [GNU]
    $ hexdump path/to/file
  # Display the input offset in hexadecimal and its ASCII representation in two columns [GNU]
    $ hexdump [-C|--canonical] path/to/file
  # Display the hexadecimal representation of a file, but interpret only n bytes of the input [GNU]
    $ hexdump [-C|--canonical] [-n|--length] number_of_bytes path/to/file

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