Lately, I’ve been filling in some of the gaps in my software engineering knowledge. One random question that I had was this little message in my Terminal: Last login: Sat Apr 19 00:15:16 on ttys001 What does ttys001 even mean? 🖥️ Terminal, Console, TTY — What’s the Difference? That question led me to explore how terminals actually work. I had always used the default Terminal app on macOS without giving it much thought. Now I know that on modern-day computers, we usually use the word terminal to refer to software programs known as terminal emulators: ...