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→INVESTIGATION 3: ALIASES / COMMAND HISTORY
# Issue the following to create an alias: <span style="color:blue;font-family:courier;font-weight:bold">alias ls='ls -al'</span><br><br>
# Run this alias to see what it does.<br><br>
# xIssue the following to create another alias (lowercase l and h): <span style="color:blue;font-family:courier;font-weight:bold">alias lh='ls --human-readable --size -1 -S --classify'</span><br><br>