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→Connect USB storage device for testing
# Execute the following command. If you can see the output of sdX, it means the USB disk is successfully recognized.
::{| class="wikitable" style="width:800px;"|-|orangepi@orangepi:~$ '''cat /proc/partitions | grep "sd*"'''<br> <span style="margin-right: 30px;">major </span><span style="margin-right: 40px;">minor </span><span style="margin-right: 30px;">#blocks </span><span style="margin-right: 50px;">name</span><br> <span style="margin-right: 70px;">8 </span><span style="margin-right: 60px;">0 </span><span style="margin-right: 50px;">30044160 </span><span style="margin-right: 50px;color:#FF0000">'''sda'''</span><br> <span style="margin-right: 70px;">8 </span><span style="margin-right: 60px;">1 </span><span style="margin-right: 50px;">30043119 </span><span style="margin-right: 50px;color:#FF0000">'''sda1'''</span><br>|}
<ol start="3" style="list-style-type: decimal;">
<li>Use the mount command to mount the U disk to '''/mnt''', and then you can view the files in the U disk</li></ol>{| class="wikitable" style="width:800px;" |-|
orangepi@orangepi:~$ '''sudo mount /dev/sda1 /mnt/'''
test.txt
|}</ol>
<ol start="4" style="list-style-type: decimal;">
<li>After mounting, you can check the capacity usage and mount point of the U disk through the '''df -h''' command.</li></ol>{| class="wikitable" style="width:800px;" |-|
orangepi@orangepi:~$ '''df -h | grep "sd"'''
/dev/sda1 29G 208K 29G 1% /mnt|}</ol><span id="usb-ethernet-card-test"></span>
=== USB Ethernet card test ===
