# Issue the following Linux command: <span style="color:blue;font-weight:bold;font-family:courier;">file b.txt</span><br><br>What sort of information did it provide?<br><br>

# Issue the following Linux command: <span style="color:blue;font-weight:bold;font-family:courier;">diff aa.txt b.txt</span><br><br>What was the output? Why do you think caused the result of this output?<br><br>

# Issue the following Linux command: <span style="color:blue;font-weight:bold;font-family:courier;">find -P . </span><br><br>What is the output of this command?<br><br>

# Issue the following Linux command:<br><span style="color:blue;font-weight:bold;font-family:courier;">rm aa.txt b.txt a.txt.bk c.txt</span><br><br>