This article shows how macOS 27 includes a built-in LLM accessible via /usr/bin/fm that runs entirely offline and needs no account. The author tests it on an M1 MacBook Air, noting its limited memory, occasional inaccuracies, and a range of Terminal-based tricks.

Hunk replaces plain git diff with an interactive terminal UI for reviewing full changesets. It offers split, stacked, and auto layouts, inline AI and agent annotations, sidebar navigation, watch mode, mouse support, and pager integration. You install it via npm or Homebrew and configure themes, VCS, and behaviors in a TOML config.

A developer ignored tmux for a decade, rebuilt their terminal workspace every morning, and lost over two hours daily. After learning six basic tmux commands, they cut setup and context-recovery time to two minutes, reclaiming hours for real work.