this post was submitted on 10 Dec 2025
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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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Rust (Golang or any mem-safe lang) is/are useful for designing secure applications, but not the reason Syd is so great. It is impressive because it is unprivileged, simple yet very granular, has tons of exploit mitigations and hardening options, defaults to hardened_malloc (on arm64 and x64), it's multilayered sandbox (using landlock, seccomp, namespaces, and more), but of course being written in a memory safe language is an important plus (as memory corruption vulnerabilities are a very large class of common vuln). It abstracts the complexity of working with low-level sandboxing API (such as landlock) while allowing you still construct complicated sandboxes). The dev is also very open to add new ideas.