hexdump

An ASCII, decimal, hexadecimal, octal dump.

More information.

• Print the hexadecimal representation of a file, replacing duplicate lines by '*':

hexdump {file}

• Display the input offset in hexadecimal and its ASCII representation in two columns:

hexdump -C {file}

• Display the hexadecimal representation of a file, but interpret only n bytes of the input:

hexdump -C -n{number_of_bytes} {file}

• Don't replace duplicate lines with '*':

hexdump --no-squeezing {file}

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