ESTIMATED TIME: $20$ minutes

OBJECTIVE: Use wildcard metacharacters.

DESCRIPTION: In this hands$-$on project, you use the ls command alongside wildcard metacharacters in your shell to explore the contents of your home directory.

$1$

Switch to a command$-$line terminal $($tty$5)$ by pressing Ctrl$+$Alt$+$F$5$ and log in to the terminal using the user name of root and the password of LINUXrocks!.

$2$

At the command prompt, type pwd $,$ press Enter, and ensure $/$root is displayed showing that you are in the root user$$s home folder. At the command prompt, type ls $.$ How many files with a name beginning with the word $$sample$$ exist in $/$root$?$

$3$

At the command prompt, type ls $*$ and press Enter. What is listed and why?

$4$

At the command prompt, type ls sample$*$ and press Enter. What is listed?

$5$

At the command prompt, type ls sample? and press Enter. What is listed and why?

$6$

At the command prompt, type ls sample?? and press Enter. What is listed and why?

$7$

At the command prompt, type ls sample$[13]$ and press Enter. What is listed and why?

$8$

At the command prompt, type ls sample$[!13]$ and press Enter. What is listed and why?

$9$

At the command prompt, type ls sample$[1-3]$ and press Enter. What is listed and why?

$10$

At the command prompt, type ls sample$[!1-3]$ and press Enter. What is listed and why?

$11$

Type exit and press Enter to log out of your shell.