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Linux security
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this post was submitted on 13 Sep 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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That's not what you want. You want a reasonable level of confidence that your system is secure.
The process is similar to Windows - keep it up-to-date, use good passwords, don't run things as root (admin), and don't install things that are questionable.
The package manager under linux is where you should start, and that varys by distro some. But generally speaking things installed from there are "safe" and will be updated by the package manager when you do updates.