Comprehensive fish shell reference covering syntax, variables, functions, abbreviations, completions, config files, path management, prompt customization, Fisher plugins, and migration from bash/zsh.
Comprehensive macOS terminal reference covering file management, processes, networking, Homebrew, defaults, diskutil, launchctl, pbcopy/pbpaste, open, say, and power-user recipes.
stdin, stdout, stderr redirection operators and pipeline patterns in bash.
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