Executing commands

While utilizing the shell and entering commands, you will find yourself in a completely different world compared to your desktop environment. While using the shell, you'll enter a command, wait for a confirmation that the command was successful (if applicable), and then you will be brought back to the prompt so that you can execute another command. In many cases, the shell simply returns to the prompt with no output. This constitutes a success. Be warned though; the Linux shell makes no assumptions. If you type something incorrectly, you will either see an error message or produce unexpected output. If you tell the shell to delete a file and you direct it to the wrong one, it typically won't prompt for confirmation and will bypass the trash folder. The Linux Shell does exactly what you tell it to, not necessarily what you want it to. Don't let that scare you though. The Linux Shell is very logical and easy to learn. However, with great power comes great...