there is no well-known or widely recognized storyline or media titled "Command Z" that involves a wormhole in a washing machine. It is possible that "Command Z" may be a lesser-known work or a creation from a niche community or individual. If it exists, I do not have information on it.
However, I can provide a general explanation of a wormhole concept:
A wormhole, also known as an Einstein-Rosen bridge, is a theoretical passage through space-time that could create shortcuts for long journeys across the universe. It is often depicted in science fiction as a tunnel-like structure connecting two separate points in space-time, allowing matter to travel between these points much faster than it would through normal space.
In fiction, wormholes are frequently used as plot devices for time travel, interstellar travel, or traversing vast distances quickly. If a "Command Z" story involving a wormhole in a washing machine exists, the specific mechanics and workings of the wormhole in that context would be part of the creative imagination of the author or creator.