stty – Modify the Relevant Settings of the Terminal Command Line

The stty command is used to modify the relevant settings of the terminal command line. It is used to change the terminal input and output settings such as baud rate, control characters, echo settings, and many others. It is a very powerful command that can be used to customize the behavior of the terminal to suit the needs of the user.

Overview

The stty command can be used to modify a wide range of settings related to the terminal. The syntax of the command is as follows:

stty [options] [settings]

The options parameter specifies the various options that can be used with the stty command, while the settings parameter specifies the settings that need to be modified. Here are some examples of how the stty command can be used:

Example 1: Changing the baud rate

To change the baud rate of the terminal, use the following command:

stty -F /dev/ttyS0 9600

This command sets the baud rate of the ttyS0 serial port to 9600.

Example 2: Disabling echo

To disable echo for the terminal, use the following command:

stty -echo

This command disables the echo of characters that are typed into the terminal.

Example 3: Setting control characters

To set the control characters for the terminal, use the following command:

stty intr ^C

This command sets the interrupt character to ^C.

Example 4: Displaying terminal settings

To display the current settings of the terminal, use the following command:

stty -a

This command displays all the current settings of the terminal.

Options

The following table lists the available options that can be used with the stty command:

Option	Description
-a	Display all current settings of the terminal
-echo	Disable echo for the terminal
-F	Specify the device file of the terminal
-h	Display help information
-icanon	Enable canonical mode
-inlcr	Translate NL to CR on input
-isig	Enable signals
-ixon	Enable XON/XOFF flow control
-opost	Enable output processing
-parenb	Enable parity generation
-raw	Disable input processing
-time	Set the read timeout in tenths of a second
-icanon	Enable canonical mode

Troubleshooting tips

Here are some troubleshooting tips for common issues that may arise when using the stty command:

• If you are unable to modify the settings of the terminal, make sure that you have the necessary permissions to do so.
• If you are experiencing issues with the terminal, try resetting the settings by using the -g option followed by the raw keyword. For example, stty -g raw.

Notes

• The stty command can be a very powerful tool, but it should be used with caution. Modifying the wrong settings can cause unexpected behavior in the terminal.
• The stty command can be used to create custom terminal configurations that can be saved and loaded using the stty command.