John works as a Network Administrator for Perfect Solutions Inc. The company has a Linux-based network. He is working as
a root user on the Linux operating system. He wants to remove a debian packet foobar from his computer and have it
maintained so that whenever he wants to install it from the stored files, he can do so. Which of the following commands can
John use to accomplish his task?
Each correct answer represents a complete solution. Choose all that apply.

A.
dpkg –clear-avail

B.
dpkg –remove

C.
dpkg -r

D.
dpkg –purge

Explanation:
dpkg -r | –remove | -P | –purge package … | -a | –pending Remove an installed package.
-r or –remove remove everything except configuration files.