How is the connection of multiple terminals to the serial interface simulated in Linux?
What will be an ideal response?
A classic multi-user environment can be implemented by connecting several terminals (dialog stations) -monitor and keyboard units -to the serial interface of a single computer.
You can still connect several terminals to the serial interface in a Linux system; however this is hardly ever done anymore. To simulate such serial terminals, virtual terminals were created in Linux. With virtual terminals, you can work in Linux as if you had several classic terminals available at the same time.
By default, six virtual terminals are available. You can access them by holding Ctrl+Alt+F1 to Ctrl+Alt+F6. When you switch to a virtual terminal, a login prompt appears.
You can determine the terminal currently being used from the ttyx number (tty1 - tty6) -tty is an abbreviation for teletype, which is another word for terminal). From the virtual terminals, Alt+F7 returns you to the graphical user interface.
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