The ri command will now always run the version in /usr/bin, even if a version is later installed in the homebrew directory, or anywhere else. In effect, using a full absolute path in your alias breaks ...

The Linux command line is a text interface to your computer. Also known as shell, terminal, console, command prompts and many others, is a computer program intended to interpret commands. Allows users ...

If you've worked in the terminal, it's likely you're in some way proficient with the command history features of your shell. There's a lot more functionality than many realise however, and learning it ...