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