How to use xxd command In Linux

Syntax:

xxd [options] [file path]

Options available in xxd command

Here’s a table that summarizes some of the most common options of the “xxd” command and their descriptions:

Options

Description

-l

Limit the number of bytes processed or displayed.

-g

Set the number of bytes per group in the output.

-c

Set the number of bytes per line in the output.

-s

Skip a specified number of bytes before processing.

-b

Generate a binary digit dump

-u

Generate includedincluded uppercase hex-dump

-ps

Output in postscript continuous hex-dump style.

-i

Generate a C-included left file with binary data as an array.

-r

Reverse the process by converting a hexadecimal dump back into binary.

-v

Display the version information of “xxd.”

xxd Command in Linux

xxd is a command-line tool that is primarily used for creating and analyzing hexadecimal dumps from files. It can also be used to reverse the process and convert a hexadecimal dump back into binary form. In this article, let’s uncover the practical applications of the “xxd” command in the Linux ecosystem.

xxd Command in Linux

  • What is a ‘hexadecimal dump’?
  • Installing xxd on Linux
  • Using xxd command:
  • Generating hexadecimal dumps
  • Converting hexadecimal dump to the original file
  • Formatting output of xxd
  • Different dump output styles
  • Embedding Binary Data in C/C++ Code (xxd -i)

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What is a ‘hexadecimal dump’?

A hexadecimal dump, often called a hex dump, is a representation of binary data in a human-readable format using hexadecimal notation. Each byte of binary data is displayed as a pair of hexadecimal digits, making it easier to understand the data....

Installing xxd on Linux

While most Linux distributions come with the “xxd” command pre-installed, if you encounter an error when attempting to use it, you may need to install it based on your specific distribution....

Using xxd command:

Syntax:...

Generating hexadecimal dumps

To create a hexadecimal dump of a file, you can use the following command:...

Converting hexadecimal dump to the original file

xxd -r [hexadecimal dump file path]...

Formatting output of xxd

Skipping n bytes from start (-s offset)...

Different dump output styles

Binary digit dump (-b)...

Embedding Binary Data in C/C++ Code (xxd -i)

While the primary purpose of xxd is to create hexadecimal dumps, xxd -i takes it a step further by generating a C include file that contains the binary data as an array....

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Conclusion

The “xxd” command in Linux is a versatile tool that allows users to work with binary data easily. Whether you need to analyze binary files, edit them with a text editor, or convert between hexadecimal dumps and binary data, “xxd” provides a valuable solution. Understanding and utilizing this command can be a significant asset for anyone dealing with binary data in the Linux environment....