Which of the following commands should be used to open a tty port configured in the /etc/uucp/Devices file as： Direct tty2 - 9600 direct in debug mode， ignoring modem control signal data carrier detect （DCD）？（）
- A、cu -l tty2
- B、cu -dml tty2
- C、cu -dht Direct
- D、cu -s9600 -l tty2
正确答案:B
答案解析:有
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