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dd

file managementLinux/Unix
The dd command is one of the most frequently used commands in Linux/Unix-like operating systems. dd Sample fallback description for dd
See ExamplesView Syntax

Quick Reference

Command Name:

dd

Category:

file management

Platform:

Linux/Unix

Basic Usage:

dd [options] [arguments]

Common Use Cases

  • 1

    Data duplication

    Copy and convert data between files or devices

  • 2

    Disk cloning

    Create exact copies of disks or partitions

  • 3

    Data recovery

    Recover data from damaged or corrupted disks

  • 4

    Scripting

    Use in shell scripts to automate data duplication

Syntax

dd [OPTION]... [FILE]...

Options

Option Description
-l Use a long listing format
-a Show hidden entries starting with .
-h Human-readable sizes
-R List subdirectories recursively

Examples

How to Use These Examples

The examples below show common ways to use the dd command. Try them in your terminal to see the results. You can copy any example by clicking on the code block.

Basic Examples:

ls
List files in the current directory.
ls -l
List files in long format with details.
ls -a
List all files including hidden ones.

Advanced Examples:

ls -lah Detailed list with human-readable sizes. ls -R List directories recursively.

Try It Yourself

Practice makes perfect! The best way to learn is by trying these examples on your own system with real files.

Understanding Syntax

Pay attention to the syntax coloring: commands, options, and file paths are highlighted differently.

Notes

These are sample notes for the dd command.

Tips & Tricks

1

Use the -i input_blocks option to specify the number of input blocks

2

Use the -o output_blocks option to specify the number of output blocks

3

Use the -f file option to specify the input file

4

Use the -s option to skip over input blocks

5

Use the -c option to count input blocks

Common Use Cases

Data duplication

Copy and convert data between files or devices

Disk cloning

Create exact copies of disks or partitions

Data recovery

Recover data from damaged or corrupted disks

Scripting

Use in shell scripts to automate data duplication

Data manipulation

Manipulate and transform data streams

Related Commands

These commands are frequently used alongside dd or serve similar purposes:

cp
cat
dcfldd
ddrescue
pv
tar
gzip
Explore All Commands

Use Cases

1

Data duplication

Copy and convert data between files or devices

2

Disk cloning

Create exact copies of disks or partitions

3

Data recovery

Recover data from damaged or corrupted disks

4

Scripting

Use in shell scripts to automate data duplication

5

Data manipulation

Manipulate and transform data streams

Learn By Doing

The best way to learn Linux commands is by practicing. Try out these examples in your terminal to build muscle memory and understand how the dd command works in different scenarios.

See ExamplesTry Lab Exercises
$ dd
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dd - Linux Command Guide | LinuxConcept