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→INVESTIGATION 1: BASICS OF REDIRECTION
# Save editing changes and exit the text editor.<br><br>
# Issue the following Linux command: <span style="color:blue;font-weight:bold;font-family:courier;">tr 'a-z' 'A-Z' < data.txt</span><br><br>What this command do?<br><br>
# Issue the following Linux command: <span style="color:blue;font-weight:bold;font-family:courier;">tail -2 data.txt > output.txt</span><br><br>What this command do?<br><br>What does this command do? Check the contents of the '''output.txt''' file to confirm.<br><br>
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