Linux command
getty 命令
文本
复制后可按需替换文件名、目录或参数。
常用示例
Start getty on
getty [tty1] [38400]
Auto-login user
getty -a [username] [tty1]
With specific term
getty -T [linux] [tty1] [38400]
Wait for carrier
getty -w [ttyS0] [9600]
说明
getty (get teletype) opens terminal ports, sets modes, and invokes login. It manages the login prompt on system consoles and serial ports. The program is started by init/systemd for each terminal requiring login access. It handles baud rate detection for serial terminals and terminal type configuration. getty provides the foundational login interface for Unix systems.
参数
- -a _USER_, --autologin _USER_
- Auto-login specified user.
- -n, --skip-login
- Don't prompt for login.
- -T _TERM_, --term _TERM_
- Terminal type.
- -w, --wait-cr
- Wait for carrier/carriage return.
- --help
- Display help information.
FAQ
What is the getty command used for?
getty (get teletype) opens terminal ports, sets modes, and invokes login. It manages the login prompt on system consoles and serial ports. The program is started by init/systemd for each terminal requiring login access. It handles baud rate detection for serial terminals and terminal type configuration. getty provides the foundational login interface for Unix systems.
How do I run a basic getty example?
Run `getty [tty1] [38400]` in a terminal, then adjust file names, paths, flags, or remote targets for your system.
What does -a _USER_, --autologin _USER_ do in getty?
Auto-login specified user.