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this post was submitted on 12 Aug 2023
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Linux
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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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One argument against using DD is that sometimes the optimized default flags for FS creation change between kernel releases so its nice to take the opportunity when getting a new drive to reformat partitions. In addition to this, dd is slow if you haven't completely filled up the partition because it doesn't attempt to use fs metadata to seek sparse data on disk and instead copies all bytes of the partition. (Completely unnecessary and just causes extra wear on solid state medium)
I use rsync instead of cp so I get verbose messages, hash checks, and resume functionality during large copies. https://wiki.archlinux.org/title/Rsync#File_system_cloning