this post was submitted on 11 Mar 2026
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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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Correct answer.
After setting the spin down timer using hdparm, unmount the drive and it will spin down accordingly.
This also makes sure you are not spinning down drives just for a few minutes of rest.
Now just if my SSD were not heating itself to 40℃ when at its lowest power mode when unmounted...