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this post was submitted on 15 Jul 2026
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Linux
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From Wikipedia, the free encyclopedia
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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Usually, then there's Dell and friends:
Brands like HP and Dell use OEM "smart" adapters (often with a central pin in the barrel) that actively communicate with the laptop motherboard. These communicate battery health, authenticate the charger to prevent overheating, and ensure the correct wattage is pushed to the device.