An hex dump is a raw binary information contained in a file translated into hexadecimal
| Pane (for a viewer) | Column (for an output) | Description |
|---|---|---|
| Address pane | Left | The Address offset in hexadecimal of the first byte of each line starting at 0. |
| Hex pane | Middle (two columns) | the file content as an array of hex bytes |
| ANSI pane | Right | Content of the file in ASCII characters |
| UNICODE pane | The file content as two-byte UNICODE characters |
You may have others different representation such as:
head -c nbyte file