this post was submitted on 16 Jul 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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This is one of the things I like about Rust: its rustup program can install the latest version of Rust in my home folder. I don't need my distro to carry the latest version.
Unlike some similar things for other languages (like nvm for Node.js), rustup doesn't require me to use a specific shell, doesn't require me to use any special prefix for commands invoking Rust toolchain programs (I can just run
cargo build
andcargo run
like normal), and doesn't touch any environment variable (except adding its installation folder toPATH
when rustup is first installed).Instead, it simply installs a wrapper binary for each of the programs in Rust's toolchain. The wrapper binary checks if there is a Rust version override for the project I'm working on, then finds and executes the appropriate version of whichever program I'm trying to run. Nice and clean, with a bare minimum of nonsense.