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# Issue a Linux command to <u>confirm</u> you are located in your '''advanced''' directory in your Matrix account.<br><br>
# Issue the following Linux command to view the <span style="font-family:courier;font-weight:bold;">./for-1.bash</span> file:<br><span style="color:blue;font-weight:bold;font-family:courier;">more ./for-1.bash</span>)<br><br>As you should have noticed from '''tutorial 10''' that the '''for''' loop can use a '''list'''.<br>You can also use the for loop with positional parameters stored as '''arguments'''<br>from an executed shell script.<br><br>You can also use the '''for''' loop with a list using '''command substitution'''.<br>Using command sustitution is an effective method to loop within a shell script.<br><br>Before creating a new shell script, let's learn to use command substitution from the Bash Shell<br>to store arguments as positional parameters and use them for practice.<br><br>
# Issue the following linux command to set positional parameters in your current shell:<br><span style="color:blue;font-weight:bold;font-family:courier;">set apples oranges bananas pears</span><br><br>
# Issue the following linux command:<br><span style="color:blue;font-weight:bold;font-family:courier;">echo $#</span><br><br>What do you notice? What does this value represent?<br><br>
