<big>'''How to enter the command line of the development board linux system?'''
# 1. '''For the method of using the serial port to log in to the terminal, please refer to the instructions in the section on how to use the debugging serial port.'''# 2. '''Use ssh to remotely log in to the Linux system, please refer to the instructions in the section of SSH remote login to the development board.'''# 3. '''If a display screen such as HDMI or LCD is connected, you can open a command line terminal on the desktop.'''
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