xargs is a remarkable time saver. jq for JSON parsing and selecting at the CLI. ^X^E at the shell to edit command in $EDITOR. for loops at the shell. until at t

xargs is a remarkable time saver. jq for JSON parsing and selecting at the CLI. ^X^E at the shell to edit command in $EDITOR. for loops at the shell. until at the shell. atd for "run this in two hours". IntelliJ for everything. Extract methods and interfaces auto-modifying to support close duplicates. Signature changes. That sort of thing. Rsync. Zsync allowed me to even get Linux back in the day (thank you Ubuntu).