OPERATING SYSTEMS FOR COMPUTERS
COMPUTER OPERATING SYSTEMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Command Line Entry
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Physical Device
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Background Task
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Time Slicing
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Program
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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: -The Command key (sometimes abbreviated as Cmd key), ⌘, formerly also known as the Apple key or open Apple key, is a modifier key present on Apple keyboards. The Command key’s purpose is to allow the user to enter keyboard commands in applications and in the system.
Detailed explanation-3: -A command-line interpreter or command-line processor uses a command-line interface (CLI) to receive commands from a user in the form of lines of text. This provides a means of setting parameters for the environment, invoking executables and providing information to them as to what actions they are to perform.
Detailed explanation-4: -Moving the cursor CTRL-A / HOME : Move to the beginning of a line. CTRL-E / END : Move to the end of a line. CTRL-B / LEFT : Move left one character. CTRL-F / RIGHT : Move right one character.