At the command prompt, type umask $007$ and press Enter. Next, type umask at the command prompt and press Enter to verify that your umask variable has been changed to $007.$

$5$

At the command prompt, type touch utest$2$ and press Enter. Next, type ls $$l at the command prompt and press Enter. What are the permissions on the utest$2$ file? Do these agree with the calculation in Figure $4-5?$ Create a new directory by typing the command mkdir udir$2$ at the command prompt and pressing Enter. Next, type ls $$l at the command prompt and press Enter. What are the permissions on the udir$2$ directory? Do these agree with the calculation in Figure $4-5?$