this post was submitted on 24 Jun 2025
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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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fellow u-console owner! i have the a-06. the modem is shite, in my experience. i can't say for sure but i'd guess it's arm. the pinephone (pro) uses the eg25-g (as i discuss in the article), which runs an android bootloader, older linux kernel, and generic gnu(?) userland. the bootloader, kernel, and userland are all FOSS (well, they can be flashed to be, anyway). the ADSP (the code that directly interfaces with the radios) is proprietary, for practical and regulatory reasons. this doesn't really effect my threat model, as i assume that anything a sophisticated attacker could glean from an ADSP backdoor they could much more easily glean through the radio traffic itself. the TZ (arm trustzone) firmware is also proprietary, for technical reasons. iirc it's signed by ARM, but this is just off the top of my head, so don't quote me! or do, i'm not your dad...