An operating system that is directed by entering text commands. DOS is an example of a widely used command line operating system. See DOS and command line. THIS DEFINITION IS FOR PERSONAL USE ONLY.

An operating mode that causes the computer or modem to accept commands for execution. See command line. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

While it may seem antiquated in this day and age of modern operating systems, the command line remains the most flexible and powerful way to perform tasks in Linux. The full guide to the Linux command ...