stty

Set options for a terminal device interface. More information: https://www.gnu.org/software/coreutils/stty.

• Display all settings for the current terminal:

stty --all

• Set the number of rows or columns:

stty rows|cols count

• Get the actual transfer speed of a device:

stty --file path/to/device_file speed

• Reset all modes to reasonable values for the current terminal:

stty sane