Using the command line is becoming a lost art, but should be one of the most powerful skills in your development arsenal. It is your friend, embrace it. Don't get me wrong, a GUI is great, but it has it's limitations and might not be as robust. You can't automate clicks as easily as you can commands and more times than not, you can just get things done quicker and more efficient. PHP has a great CLI. Use it! This talk will cover common command line tools (screen, grep, awk, cut, mysql, mosh, etc), shortcuts you can take advantage of now, and what you can do to step up your development game.
Clipping is a handy way to collect important slides you want to go back to later.