As we saw in the last article TTY: What is? What’s the use? . If you think you do not need as many TTY as those available by default in your environment. I agree, and it affects a little performance of your linux .. but rather it. Certainly for those who need the full potential of a machine that will make a difference.
There are ways you can decrease the amount of TTY of their distribution here will decline to 3 the device files , if you want to you can change as you wish, just following the logic, and steps.