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chvt command in Linux with examples

  • Last Updated : 15 May, 2019

chvt command in Linux systems is used to switch between the different TTY (TeleTYpewriter) terminals available. These are essentially Virtual Terminals, which are toggled when the keys Ctrl + Alt + FunKey(1-6) are pressed. There are usually 6 TTY terminals, and the chvt command is used to switch between these terminals, without the use of function keys.

Note: This command needs Root Privilege to be executed.


chvt N

chvt with different N: This command takes an integer value for N, ranging from 1 to 6 (Since only 6 TTYs are present in the Linux OS). When an integer which is out of this range is specified, a blank screen pops up. To exit this screen, Alt + FunKey(7) needs to be pressed.

Note: The command fbcat which is used in the TTY terminals, serves to capture the screen of TTY terminals.

Example 1:

sudo chvt 1

Example 2:

sudo chvt 3

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