tty

TTY, which stands for "teletypewriter," refers to a command line tool in Unix-like operating systems that allows users to interact with the terminal. It enables users to perform various tasks related to managing and controlling terminal settings.

1. TTY displays the file name of the terminal connected to the standard input.
2. It is commonly used to determine if a program is being run in an interactive or non-interactive shell.
3. TTY can be used to redirect standard input/output/error to and from other terminals or files.
4. It provides information about the terminal settings, such as line discipline or terminal device name.
5. TTY can help identify which terminal or device is currently active or being used.
6. It provides a way to check if a specific terminal is available or accessible.
7. TTY can be used to switch between virtual consoles or terminals in multi-user environments.
8. It is often used in shell scripts to perform conditional operations based on the terminal status.
9. TTY can be used to manage and manipulate terminal attributes, settings, and behaviors.
10. It is a fundamental tool that enables users to interact with the command-line interface effectively, allowing for more control over the terminal environment.