Terminal is just a mechanism to transfer information. For the operating system to understand the information, a shell is needed. A shell in Linux is a program that interprets the commands you enter in a terminal window, so the operating system can understand what you want to do.

What is the use of terminal?

Using a terminal allows us to send simple text commands to our computer to do things like navigate through a directory or copy a file, and form the basis for many more complex automations and programming skills.

What is Linux terminal called?

(2) A terminal window a.k.a. terminal emulator. In Linux, a terminal window is the emulation of a console, contained in a GUI window. It is the CLI you type your text in, and this input is read by the shell you’re using. There are many types of shells (e.g. bash, dash, ksh88) and terminals (e.g. konsole, gnome).