Exercise: Fewer Keystrokes

Exercise: Fewer Keystrokes: Exercise: Fewer Keystrokes.

Updated November 10, 2026

1. Exercise: Fewer Keystrokes (Journeyman): Write the settings that make your shell faster into a file of your own, count a photo project's photos four folders deep with **, read two exit codes, and write one line that backs up the beach photos and says so only if it worked, then let a check script tell you what's done.