GUI: TTY and CLI
Learn about the evolution of the command-line interface from Teletype machines to modern terminal emulators. Understand how CLIs operate, their benefits such as low resource use and remote access capabilities, and their limitations including the need to memorize commands and lack of graphical features.
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Teletype
The Teletype (TTY) became a prototype of a device for interactive work with a computer. The figure on the right shows the Model 33 Teletype, one of the most popular devices of the 1960s. It is an electromechanical typewriter. Once two teletypes are connected, operators can send text messages to each other. The sender types text on their device. The keystrokes are transmitted to the receiver’s device, which prints out each received letter on paper.
Computer engineers connected the Teletype to computers. This solution allowed the user to send ...