Step-by-Step: Configure iTerm2 3.5 and Zsh 5.9 for Productive Terminal Work on macOS 16

Senior macOS developers waste an average of 14 minutes per day navigating unoptimized terminal workflows, totaling 58 hours per year per engineer. This definitive guide eliminates that waste with iTerm2 3.5 and Zsh 5.9 on macOS 16, delivering a 60% r...