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this post was submitted on 04 Aug 2023
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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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You’ll sometimes hear IT people use “Layer 8 problem” which is a reference to the OSI networking model. The model has 7 layers. It starts at layer-1, the physical layer (the literal wires that the signals flow through), and ends with layer-7, the application later (things like http, ftp, etc.).
“Layer-8” isn’t technically part of the OSI model, but unofficially it refers to the human layer, or the user. When IT people are troubleshooting an issue, trying to identify where in the model the issue is happening, “layer-8” is a tongue-in-cheek way of saying “there isn’t an actual problem… the person is the problem”.
Another good one is the “ID10T” error (read as “I-D-ten-T”), which looks a lot like “IDIOT” when written down. It means the same thing.