zsh.fyi is where Kris shares what years of building software have taught him: lessons, book notes and real projects, free to read.https://zsh.fyi/https://zsh.fyi/learn/hello-world/https://zsh.fyi/learn/hello-world/zsh.fyi is my notebook: the lessons from projects I've shipped and the books that changed how I work.Mon, 09 Nov 2026 00:00:00 GMThttps://zsh.fyi/library/sample-book/https://zsh.fyi/library/sample-book/A sample book note. Replace it with a summary of a book you've read.Sun, 01 Nov 2026 00:00:00 GMT