Booting a new shell had gotten slow. Opening a new Terminal window was getting tedious. I decided it was time to finally solve this. I found a wonderful blog post entitled “Even faster bash startup”, in which the author tackled this same problem. They started with the hyperfine utility to benchmark the login: $ hyperfine -i 'bash -l' Benchmark #1: bash -l Time (mean ± σ): 1.242 s ± 0.089 s [User: 648.1 ms, System: 559.0 ms] Range (min … max): 1.129 s … 1.415 s 10 runs Almost...