I need help to solve Linux question 3 step by step.

3) As opposed to ls, which lists the name of a file, the cat utility (Sobell,page 52) displays the contents of a file. Use the cat utility to display the con- tents of the file you just created.

Here is the first and second question for you to see. But i need help with 3.

1. The following instructions show how to create a short file. You can correct a mistake on the line you are entering by using the correction keys explained in the previous learn how to correct these kinds of mistakes in a later lab. lab. If you notice a mistake on a previous line, leave it as it is; you will b. Give the following command to open the vim editor so it is editing the file named practice.vi practiceoThe screen will look like Figure 6-1 on page 162 of Sobell. sIf bash displays a command not found error give the preceding command again. replacing vi with vim or vintiny. i c. Before you can insert text into the file you are creating, you must put vi into Input mode. Type the letter i (for input mode) to put vim into Input mode. d. With vi in Input mode, type a couple of short lines, ending each line with a RETURN. Make sure to end the last line with a RETURN. SEp e. Before you can give ac Command mode. Press ESCAPE to put vi into Command mode. stP 8 Labs for A Practical Guide to Linux Commands, Editors, and Shell Mark G. Sobell e. With vi in Command mode, give the command ZZ (type an uppercase Programming by Z twice) to write the new file to disk and exit from vim