Changes

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

<li><p>The prompt in front of the command refers to the red part in the &gt; box below. This part is not part of the Linux command. &gt; Therefore, when entering commands in the Linux system, please &gt; do not also enter the content in the red font.</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:root@192.168.1.36 root@192.168.1.]xxx'''</p><p>'''<span style="color:#FF0000">root@test:~# </span> ls'''</p>|}</li><li><p>'''<span style="color:#FF0000">root@orangepi:~$</span>''' prompt indicates that this command is &gt; entered in the '''Linux system of the development board'''. The &gt; '''<span style="color:#FF0000">$</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'''. The &gt; '''<span style="color:#FF0000">#</span>''' at the end of the prompt indicates that the current &gt; user of the system is the root user and can execute any &gt; command you want to execute.</p></li><li><p>'''<span style="color:#FF0000">test@test:~$</span>''' prompt indicates that this command was &gt; entered in the Ubuntu PC or Ubuntu virtual machine, not the &gt; Linux system of the development board. The '''<span style="color:#FF0000">$</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>''' prompt indicates that this command is entered &gt; in the Ubuntu PC or Ubuntu virtual machine, not the Linux &gt; system of the development board. The '''<span style="color:#FF0000">#</span>''' at the end of the &gt; prompt indicates that the current user of the system is the &gt; 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>|}</li><li><p>As shown below, some commands that cannot be written in one line &gt; will be placed on the next line. As long as the black and bold &gt; parts are the commands that need to be entered. When these &gt; commands are entered into one line, the &quot;\&quot; at the end of &gt; each line needs to be removed. This is not part of the &gt; command. In addition, different parts of the command have &gt; spaces, please don't miss them.</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>