Linux command
cu 命令
安全
权限或系统影响较大，执行前请核对目标。
常用示例
Open
sudo cu -l [/dev/ttyXYZ]
Example
sudo cu -l [/dev/ttyXYZ] -s [115200]
Example
sudo cu -l [/dev/ttyXYZ] -s [115200] -h
Example
sudo cu -l [/dev/ttyXYZ] -s [115200] --parity=[even] -f --nostop
Exit
<Enter><~><.>
说明
cu (Call Up) connects to another system acting as a dial-in terminal. It's commonly used for serial console access to embedded devices, routers, switches, and other hardware. The escape sequence to disconnect is: press Enter, then ~ (tilde), then . (period).
参数
- -l, --line _device_
- Serial device to use
- -s, --speed _baud_
- Baud rate (e.g., 9600, 115200)
- -h, --halfduplex
- Echo characters locally
- --parity _type_
- Parity: even, odd, or none
- -f, --nortscts
- Disable hardware flow control
- --nostop
- Disable software flow control
FAQ
What is the cu command used for?
cu (Call Up) connects to another system acting as a dial-in terminal. It's commonly used for serial console access to embedded devices, routers, switches, and other hardware. The escape sequence to disconnect is: press Enter, then ~ (tilde), then . (period).
How do I run a basic cu example?
Run `sudo cu -l [/dev/ttyXYZ]` in a terminal, then adjust file names, paths, flags, or remote targets for your system.
What does -l, --line _device_ do in cu?
Serial device to use