Dotfiles for the Agentic Developer in 2026: 80 ms Zsh, Ghostty, Zellij and a Claude Code and Codex Radar
An old run of my interactive shell took 1.68 seconds. It was a single measurement, not a paired benchmark. In the paired test, startup followed by exit fell from a 130 ms median to 80 ms after I deferred the Zsh plugins. ...