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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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[Question] Using DD to make a backup of an OS drive? (lemmy.ml)

submitted 3 weeks ago by [email protected] to c/[email protected]

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Would this work or would I have problems:

Using dd command to backup an entire SSD containing dual boot Windows/Ubuntu partitions into an .iso file, with the intent to then dd that iso back onto the same size SSD in the case of a drive failure?

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[–] [email protected] 1 points 3 weeks ago (1 children)

Why’s that?

[–] Ashiette 3 points 3 weeks ago

If you dd a 1TB hard drive, it will create a 1TB image. You'd need to have a >1TB drive to store it. If you dd each partition separately, this won't be the case.

Plus it will be easier to discriminate between different FS and mount them accordingly.