MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -Command-line interfaces are also called command-line user interfaces, console user interfaces and character user interfaces. CLIs accept as input commands that are entered by keyboard; the commands invoked at the command prompt are then run by the computer.

Detailed explanation-2: -A command line interface (CLI) enables users to type commands in a terminal or console window to interact with an operating system. Users respond to a visual prompt by typing a command on a specified line, and receive a response back from the system.

Detailed explanation-3: -But there is a major difference between CLI and GUI. GUI lets a user interact with the device/system with the help of graphical elements, like windows, menus, icons, etc. The CLI, on the other hand, lets a user interact with their device/system with the help of various commands.

Detailed explanation-4: -CLI is a command line program that accepts text input to execute operating system functions. In the 1960s, using only computer terminals, this was the only way to interact with computers. In the 1970s an 1980s, command line input was commonly used by Unix systems and PC systems like MS-DOS and Apple DOS.

Detailed explanation-5: -An operating system like UNIX has CLI, While an operating system like Linux and windows have both CLI and GUI.