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→Part 3: Manage / Manipulate Text File Content
# Type the letter "<span style="color:blue;font-weight:bold;font-family:courier;">q</span>" to exit the more command.<br><br>
# Issue the following Linux command: <span style="color:blue;font-weight:bold;font-family:courier;">less a.txt</span><br><br>Is there any difference between the more and less commands?<br>(again press '''q''' to quit)<br><br>
# issue the following Linux command: <span style="color:blue;font-weight:bold;font-family:courier;">sort a.txt</span><br><br>Why does the output not look what you expected? Why?<br><br>
# Issue the following Linux command: <span style="color:blue;font-weight:bold;font-family:courier;">sort -n a.txt</span><br><br>Try the same command using both the '''-n''' and '''-r''' options to see what happens.<br><br>
# Issue the following Linux command: <span style="color:blue;font-weight:bold;font-family:courier;">grep 2 a.txt</span><br><br>What type of output appear? Why did these lines appear (what do they all have in common)?<br><br>
# Edit the '''a.txt''' file and add to the bottom 5 new lines each consisting of the <u>same</u> text: "'''end of line'''" and save changes to your file.<br><br>
# Issue the following Linux command: <span style="color:blue;font-weight:bold;font-family:courier;">uniq a.txt</span><br><br>What do you notice happened to those newly created lines?<br><br>
# Issue the following Linux command: <span style="color:blue;font-weight:bold;font-family:courier;">cp a.txt b.txt</span><br><br>
# Issue one of the commands you learned to display the contents of the file called '''b.txt''' without editing.<br><br>What happened to this file?<br><br>