A prompt will be displayed in the terminal window on the right. A prompt is a set of characters printed on the screen that show you where you will be writing your commands. It also tells you that the command line is ready to process your instructions.
Prompts will look slightly different on different systems but for this tutorial they will be:
To instruct your terminal to do something, you need to enter specific commands and press enter.
Don't worry about running any commands in this environment - you can't break anything here!
Let's try running a command that doesn't exist:
You should get the following message telling you what you already know:
bash: hello: command not found
This error message is telling you what is complaining and why. Error messages happen all the time and are not necessarily a bad thing. Some are helpful and descriptive and can tell you what you need to do instead.
The error message is telling you that
bash (the command line interpreter -
the software that executes your commands) has an issue with the command
hello and that issue is that the command
hello doesn't exist.
That's all pretty sensible and boring!
1) Try running some silly made-up commands
Here are some ideas!