Which command would you use?

You have installed an update to the gzip package and need to “undo” .ho update and return the
package to its “as-delivered” condition. Which command would you use?

A.
pkg undo

B.
pkg revert

C.
pkg fix

D.
pkg uninstall

Explanation:
Use the pkg revert command to restore files to their as-delivered condition.
Reference: Adding and Updating Oracle Solaris 11 Software Packages, Restoring a File