Many of the applications provided in Kali must run with root-level privileges in order to function. Root-level privileges do possess a certain amount of risk; for example, mistyping a command or using the wrong command can cause applications to fail or even damage the system being tested. In some cases, it is preferable to test with user-level privileges. In fact, some applications force the use of lower-privilege accounts.

To create a non-root user, you can simply use the adduser command from the Terminal and follow the instructions that appear, as shown in the following screenshot: