As we will discuss in Chapter 24, you can use the cd to change from one directory to another, and ls to list the contents of a directory. For example, to change to the /bin directory and list its...

As we will discuss in Chapter 24, you can use the cd to change from one directory to another, and ls to list the contents of a directory. For example, to change to the /bin directory and list its contents, you can use

Hint: You may fi nd the whereis program useful (see Chapter 25).