this post was submitted on 18 Feb 2024
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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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For development, yeah you're supposed to use it like that, as opposed to installing dependencies systemwide. I don't think you can even really do that on NixOS.
However, it has nothing to do with security though, but rather dependency isolation, so you can use one version of library X for one project and another for the other without them conflicting.
I mean, security is an unintended outcome of it. Any kind of isolation of packages provides a level of security.
Ehhhh, security by obscurity if anything. Every downloaded or built nix package is in /nix/store and readable for every user.