#macos
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A zsh Startup Audit, and What .zshrc, oh-my-zsh and powerlevel10k Each Do
A daily-driver Mac took half a second to open a new terminal tab. About 80% of that was conda's shell hook, and an installer had compinit running a second time. Lazy-loading conda and moving a completions directory ahead of oh-my-zsh brought startup to 0.07 s. This post covers what the three config layers are for, how to measure, what we changed, and a trap that makes powerlevel10k look slow when it isn't.