Kellyn Pot’vin-Gorman shows how you can change the colors you see in bash shells:
I agree with him- you never know what the projector quality will be, the lighting in the room, color-blind attendees or other factors that could impact the readability of the demonstration when you have a black background and colored text. I realized, as the Azure Cloud Shell is a service, we have less control of the terminal offered to us, so it was important to tell people how to update their Azure Cloud Shell to change the execution prompt to not be in color and highlight the background in white, with black text bolded for easier reading.
Click through for a sample .bashrc file as well as a bonus “How do I exit vim?” bit. The correct answer is, you never exit vim; you simply dedicate the rest of your life to it.