Revision [28443]

This is an old revision of dd made by darkcity on 2013-08-08 08:03:58.

 

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dd

duplication, imaging, transferral & restoration

Verify installed version by using the command-line interface:
# dd --version

Usage:
dd --help

WARNING: YOU MUST KNOW WHAT YOU ARE DOING OTHERWISE ALL YOUR DATA MAY BE DESTROYED

Some dd operations require the drive to be dismounted beforehand (a LiveDVD, or USB, is useful in this case)

Duplication & Imaging

Creating a duplicate partition (sdb1) of sda1 partition (where the target partition must be greater in capacity):
dd bs=4096 conv=noerror if=/dev/sda1 of=/dev/sdb1

Creating a compressed, duplicate image file of the sda1 partition:
dd bs=4096 conv=noerror if=/dev/sda1 | gzip -fv9 > sda1partition.img.gz

http://www.zdnetasia.com/drive-and-partition-backups-with-dd-62203014.htm
http://www.linuxquestions.org/questions/linux-newbie-8/learn-the-dd-command-362506/

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