{| class="wikitable" style="width:800px;height:40px" |-|  |}<p>As shown below, the content in the yellow box indicates the content that needs special attention, except for the commands in it</p>{| class="wikitable" style="background-color:#ffffdc;width:800px;height:40px" |-|  |}</li>

<li><p>The prompt in front of the command refers to the content of the &gt; red part in the box below. This part of the content is not &gt; part of the Linux command, so when entering the command in the &gt; Linux system, please do not enter the content of the red font &gt; part.</p>{| class="wikitable" style="width:800px;" |-| <p>'''<span style="color:#FF0000">orangepi@orangepi:~$ </span> sudo apt update'''</p><p>'''<span style="color:#FF0000">root@orangepi:~#</span>''' '''vim /boot/boot.cmd'''</p><p>'''<span style="color:#FF0000">test@test:~$ </span> ssh [mailto:[email protected] [email protected].]xxx'''</p><p>'''<span style="color:#FF0000">root@test:~# </span> ls'''</p>|}</li><li><p>'''<span style="color:#FF0000">root@orangepi:~$</span>''' The prompt indicates that this command is &gt; entered in the Linux system of the development board. The &gt; '''<span style="color:#FF0000">$</span>''' at the end of the prompt indicates that the current &gt; user of the system is an ordinary user. When executing a &gt; privileged command, '''sudo''' needs to be added.</p></li><li><p>'''<span style="color:#FF0000">root@orangepi:~#</span>''' The prompt indicates that this command is &gt; entered in the '''Linux system of the development board''', and &gt; the '''<span style="color:#FF0000">#</span>''' at the end of the prompt indicates that the current &gt; user of the system is the root user, who can execute any &gt; desired command</p></li><li><p>'''<span style="color:#FF0000">test@test:~$</span>''' The prompt indicates that the command was &gt; entered in the Ubuntu PC or Ubuntu virtual machine, not the &gt; Linux system of the development board. The '''<span style="color:#FF0000">$</span>''' at the end &gt; of the prompt indicates that the current user of the system is &gt; an ordinary user. When executing privileged commands, '''sudo''' &gt; needs to be added.</p></li><li><p>'''<span style="color:#FF0000">root@test:~#</span>''' The prompt indicates that the command was &gt; entered in the Ubuntu PC or Ubuntu virtual machine, not the &gt; Linux system of the development board. The '''<span style="color:#FF0000">#</span>''' at the end &gt; of the prompt indicates that the current user of the system is &gt; the root user and can execute any command you want to execute.</p></li></ol>

<li><p>As shown below, '''the bold black part''' is the command that &gt; needs to be input. The content below the command is the output &gt; content (some commands have output, and some may not output). &gt; This part of the content does not need to be input</p>{| class="wikitable" style="width:800px;" |-|

<p>'''<span style="color:#FF0000">verbosity=7</span>'''</p>

<p>'''<span style="color:#FF0000">console=serial</span>'''</p>|}</li><li><p>As shown below, some commands cannot be written in one line and &gt; will be placed on the next line. As long as the black and bold &gt; parts are all commands that need to be input. When these &gt; commands are entered into one line, the last &quot;\&quot; of each &gt; line needs to be removed, this is not part of the command. In &gt; addition, there are spaces in different parts of the command, &gt; please don’t don't miss it</p>{| class="wikitable" style="width:800px;" |-|

<p>'''$(lsb_release -cs) stable&quot; | sudo tee /etc/apt/sources.list.d/docker.list &gt; /dev/null'''</p>|}</li></ol>