![]() ![]() Operating system (OS) command line interfaces are usually distinct programs supplied with the operating system.Ī program that implements such a text interface is often called a command-line interpreter, command processor or shell. 6.2 Modern usage as an operating system shell. ![]() 1 Operating system command-line interfaces.Programs with command-line interfaces are generally easier to automate via scripting.Īlternatives to the command line include, but are not limited to menus (see IBM AIX SMIT for example) and various desktop metaphors centered on the pointer (usually controlled with a mouse). Command-line interfaces are often preferred by more advanced computer users, as they often provide a more concise and powerful means to control a program or operating system. The interface is usually implemented with a command line shell, which is a program that accepts commands as text input and converts commands to appropriate operating system functions.Ĭommand-line interfaces to computer operating systems are less widely used by casual computer users, who favor graphical user interfaces. The CLI was the primary means of human interaction with most popular operating systems in the 1970's and 1980's, including MS-DOS, CP/M, Unix, and Apple DOS. A command-line interface is one type of text-based user interface. Screenshot of Windows PowerShell 1.0, running under Windows VistaĪ command-line interface ( CLI) is a means of interaction with a computer program where the user (or client) issues commands to the program in the form of successive lines of text (command lines). ![]()
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