dd is shell command for reading, writing and converting file data. Originally developed for Unix, it has been ported to many other operating systems (OSs) including Unix-like OSs, Windows, Plan 9 and Inferno. [1] The command can be used for many purposes.

Mar 13, 2025 · Mastering the dd command is essential for Linux system administrators, as it enables precise control over data manipulation, backup processes, and disk recovery. This guide will demonstrate how to use the dd command for disk …

dd command is used in Unix and Linux systems for low-level file copy. Since everything in a Unix-like system is a file, this makes dd particularly useful for copying disks and specific blocks of data from large files.

By default the dd command reads from the standard input and writes to the standard output. But we can invoke the if and of command line options to specify the input and output. In this tutorial, we’ll show you with examples the best way to utilize …

Oct 11, 2023 · In this tutorial, we learn about dd command in Linux with practical examples. The basic use of the dd utility is rather easy because it takes just two arguments: if = to specify the input file and of = to specify the output file. The arguments …

DD(1) User Commands DD(1) NAME top dd - convert and copy a file SYNOPSIS top dd [OPERAND]... dd OPTION DESCRIPTION top Copy a file, converting and formatting according to the operands.

May 29, 2020 · The dd utility is available out of the box even in the most minimal installation of all distributions. In this tutorial we will see how to use it and how we can modify its behavior by using some of the most commonly used options to make your Linux system administration job easier.

Mar 18, 2024 · In the venerable Unix command dd, the disk/data duplicator (or, sometimes, disk destroyer) allows us to copy raw data from one source to another. It’s not used to copy individual files like cp. Instead, it lets us read from and write to …

Jul 25, 2024 · The dd command is a powerful utility for Unix and Unix-like systems, used to convert and copy files. In this article, we will explore various examples of how to use the dd command effectively. Filling a drive with random data : …

Mar 13, 2021 · On Unix-like operating systems, the dd command copies a file, converting the format of the data in the process, according to the operands specified. This page describes the GNU/Linux version of dd.