3. Compression and archiving Read the section in Lecture 3 called "Compressing and Archiving Eiles" Read these sections in Chapter 4 of the textbook: "Compressing data", "Archiving data". a. Given directory tree A above, what command would you use to make an archive file containing every .txt file in dir2? Call the archive file dir2.tar? b. What command would you use to list the contents of dir2.tar? c. What command would you use to extract the contents of dir2.tar