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→How to install ROS 1 Noetic on Ubuntu20.04
<li><p>After running the '''test_ros.sh''' script, a small turtle as shown in the picture below will pop up.</p>
<p>[[File:zero2w-img248.png]]</p></li>
<li><p>Then please keep the terminal window you just opened at the top</p></li></ol>
<div class="figure">
[[File:zero2w-img249.png]]
</div></ol>
<ol start="9" style="list-style-type: decimal;">
<li><p>At this time, press the direction keys on the keyboard to control the little turtle to move up, down, left, and right.</p>
