# Issue the following Linux command:<br><span style="color:blue;font-weight:bold;font-family:courier;">ls -li ~/links/data-file.txt</span><br><br>View the '''i-node''' number for this file. What does this i-node number represent?<br><br>We will now create a '''hard link''' file and demonstrate how creating hard links are useful for '''back-ups'''.<br><br>

# Issue the following Linux command to create the following hard link in the same directory: <br><span style="color:blue;font-weight:bold;font-family:courier;">ln ~/links/data-file.txt ~/links/data-file.hard.lnk</span><br><br>

# Use a text editor to edit the file '''~/links/data-file.txt''' and add some additional lines to this file.<br><br>

# Save your editing session and exit your text editor.<br><br>