It only takes a minute to sign up. These are useful so that a series of commands run until a particular condition is met, after which the commands stop. How to Loop Through a List . 40 Linux Server Hardening Security Tips. Scripting languages such as Bash feature similar programming constructs as other languages. Despite its name, the select loop is not part of the bash loop constructs. It is a useful command to easily ask a user to choose from a list of options. In the first article in this four-part series, learn how to … $ bash