Running GUI and CLI Applications

There are two kinds of applications you’ll be using under FreeBSD: GUI (Graphical User Interface) applications, which run within the context of an X11 user environment such as KDE or GNOME, and CLI (Command Line Interface) applications, which run in text mode and operate within a terminal window or the system console.

CLI applications are the most commonly used in the UNIX world; they include text editors such as ee and vi, email programs such as Pine, and textual web browsers such as Lynx. When you run a CLI program, you type its name at a shell prompt, and the program generally takes over the entire context of your terminal, whether it’s the full screen of the system console, a terminal window invoked within ...

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