xxd

Use

xxd file.bin

What It Does

xxd shows bytes in hexadecimal and ASCII columns.

It is useful when a file is not safe or meaningful to print with cat.

Practice

Use it to inspect file headers.

Watch Out

Hex output is low-level. Pair it with file first.

Docs Pointers

• Run man xxd.
• Read File Encoding.
• Read Number Bases: Decimal, Hexadecimal, Octal.