this post was submitted on 06 Feb 2024
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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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There are many advantages relative to bash, especially much better array handling, and comprehensive globbing and expansion expressions. You can reduce your reliance on external tools, which may have multiple alternative implementations (a source of unpredictability).
Some defenses are written up at
https://www.arp242.net/why-zsh.html
(not my post)
For me, fish's differences from older shells count against it without offering any compelling benefits.
Newer shells like nushell and oils/ysh are exciting and have a lot going on, but are not mature or familiar.