Command-line interface
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A command-line interface, also known as a command-line shell, is a means of interacting with software via commands – each formatted as a line of text. The concept of interacting with a computer via te
The end of the HELP command output from RT-11SJ displayed on a VT100
A Teletype Model 33 ASR teleprinter keyboard with punched tape reader and punch
DEC VT52 terminal
Graphical user interface
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A graphical user interface, or GUI, is a form of user interface that allows users to interact with electronic devices through graphical icons and visual indicators such as secondary notation. In many
Command-line interface
…the introduction of the Apple Macintosh and of Microsoft Windows on PCs saw the command line interface as the primary user interface replaced by the Graphical User Interface. The command line remained available as an alternative user interface, often used by system administrators and other advanced users for system…
Sugar
An Apple Lisa (1983) demonstrating the Lisa Office System (LisaOS), which featured Apple Computer's first commercially available GUI
HP LX System Manager running on a HP 200LX