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→INVESTIGATION 3: ALIASES / COMMAND HISTORY
# Logout of your Matrix account, than log into your Matrix account.<br><br>
# Reissue the '''lh''' alias. What happened? Why?<br><br>
# Issue the following Linux command: <span style="color:blue;font-family:courier;font-weight:bold">history</span><br><br>What do you notice?<br><br># Press the exclamation mark ! immediately followed by a number by one of the commands listed in the history list and press <span style="color:blue;font-family:courier;font-weight:bold">ENTER</span><br><br>
# x
