Tricks for macOS Terminal

1. history

Type history in terminal to display a list of recently used commands.

Then type !123 or ! followed by any number to execute the command.

Or type !! to execute the last command.

2. say

This makes the Mac speak. When I have a command or script running for longer than a few seconds, I want the Terminal to make a sound when done executing. For example:

npm install; say "process completed."

The ; means running the first command to completion, and then invoke the second command.

3. Other Thoughts

I can also make aliases for any of the above commands so that I don't have to type so much.