Which of the following must you do to create a chroot jail?

Which of the following must you do to create a chroot jail?

A.
Create a virtual directory.

B.
Copy all necessary shared libraries to the chroot directory.

C.
Create a separate partition that contains an exact copy of the operating system.

D.
Copy all contents of the /etc/passwd and /etc/shadow files to the new chroot directory.

Explanation: