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→Part 1: Using the Linux Shell
# Press the up arrow key. What happens?<br><br>
# Press the <span style="font-family:courier;color:blue;font-weight:bold">ctrl-u</span> key combination. What happens?<br><br>
# Press the <span style="font-family:courier;color:blue;font-weight:bold">up arrow</span> key combination, and see what happens when you press <span style="font-family:courier;color:blue;font-weight:bold">BACKSPACE</span> , <span style="font-family:courier;color:blue;font-weight:bold"><ctrl><BACKSPACE></span> and <span style="font-family:courier;color:blue;font-weight:bold"><ctrl><h></span>.<br>Why is it important to know those series of key combinations?<br><br>
# Press the <span style="font-family:courier;color:blue;font-weight:bold">ctrl-u</span> key combination to clear the line.<br><br>
# Press the <span style="font-family:courier;color:blue;font-weight:bold">ctrl-l</span> key combination. What happens? What is the advantage of using this key combination then issuing the '''clear''' command?<br><br>
