Practice

Learn Zsh: Globbing, Expansion, Completion, History, and a Command Reference

Learn Zsh cover: a silhouetted figure faces a dark hallway and glowing blue and orange rooms of folders, under the title "Learn Zsh"

Learn zsh fast: glob qualifiers, parameter expansion, arrays, completion, history, options, key bindings, and .zshrc, plus a verified command reference.

Learn Nushell: Tables, Pipelines, Data Files, and a Command Reference

The words Learn Nushell over a silhouetted person lifting one glowing row from orderly streams of blue light while tangled threads fade behind.

Learn Nushell fast: tables and pipelines, JSON, CSV, and TOML files, records, lists, custom commands, and config, plus a searchable command reference.

Learn Tmux: Sessions, Windows, Panes, and a Command Reference

The words Learn in white and Tmux in yellow over a silhouetted person at a desk facing a glowing grid of separate lit rooms, linked by a thread of light that breaks in the middle.

Learn tmux fast: sessions, windows, panes, the prefix key, and .tmux.conf, plus a searchable command reference and curated videos, podcasts, and books.

Learn Neovim: Practice in Your Browser, Then Set Up Plugins

The words Learn Neovim over an abstract, colorful explosion across a dark code editor window.

Learn Neovim by practicing in real Neovim in your browser, then set up plugins with vim.pack, lazy.nvim, or LazyVim. Includes a searchable command reference.

jq Cookbook: Practical jq Use Cases and Examples for Parsing JSON

jq use cases and a tested cookbook for parsing JSON: when to reach for jq, select and filter, reshape objects, group and sum, and convert JSON to CSV.