Linux command
agetty 命令
文本
复制后可按需替换文件名、目录或参数。
常用示例
Example
agetty [tty] [115200]
Example
agetty -t [timeout_in_seconds] -
Example
agetty -8 - [term_var]
Example
agetty -n -l [login_program] [tty]
Example
agetty -i -
说明
agetty opens a tty port, prompts for a login name, and invokes the /bin/login command. It is normally invoked by init(8). The command provides features useful for hardwired and dial-in connections, including automatic parity detection, baud rate deduction from modem messages, and optional hardware flow control.
参数
- -8, --8bits
- Disable parity detection for 8-bit clean terminals
- -a, --autologin username
- Automatic login without prompting for username
- -h, --flow-control
- Enable RTS/CTS hardware flow control
- -i, --noissue
- Skip displaying /etc/issue
- -J, --noclear
- Don't clear screen before login prompt
- -l, --login-program program
- Use alternative login executable
- -L, --local-line
- Control carrier detect requirement
- -m, --extract-baud
- Extract baud rate from modem status messages
- -n, --skip-login
- Don't prompt for login name
- -r, --chroot directory
- Change the root directory
- -H, --host hostname
- Write a specific fake host into the utmp file
- -t, --timeout seconds
- Terminate if no input within timeout
FAQ
What is the agetty command used for?
agetty opens a tty port, prompts for a login name, and invokes the /bin/login command. It is normally invoked by init(8). The command provides features useful for hardwired and dial-in connections, including automatic parity detection, baud rate deduction from modem messages, and optional hardware flow control.
How do I run a basic agetty example?
Run `agetty [tty] [115200]` in a terminal, then adjust file names, paths, flags, or remote targets for your system.
What does -8, --8bits do in agetty?
Disable parity detection for 8-bit clean terminals