Discussions on Linux system console in Ubuntu, as well as on TUI (text user interface). Questions about command-line interface shall be tagged with (command-line), about specific commands and text-interface programs – with tags appropriate to specific problem.

The system console is an interface used by human to control the computer. Basically, it consists of a keyboard and a monitor that provide a text user interface, in or like. The console can display some information from the operation system (such as its startup process), as well as run s, giving feedback of user input and showing textual results of executed commands. Some server machines use terminal connected via a serial port as the console, not their local keyboard and display devices.

Linux keyboard-based implementation of system console includes also , and ability to operate with (fbdev) driver of the video card.

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