In this chapter, the following topics were discussed:
Listing files using ls
Viewing the content of a file using cat
Counting the words, lines, and characters in a file using wc
Copying files using cp
Renaming files using mv
Removing files using rm
Knowing how to perform each of these basic tasks is essential to becoming a good shell programmer. In the chapters ahead, you will use these basics to create scripts for solving real-world problems.