Let's break this command down into parts: 1  ls is a utility. Utilities are also sometimes known as commands all on their own, because they indicate the general idea of what you want. - 2 l is a flag that alters how the utility operates.
Publisher and copyright holder are both different persons, a copy right holder is the author of a piece of art, literary works, drama, novels, story etc etc and a publisher is a person who or a publishing house who takes the copyright from the author or rights of the work and publishes it as a book or film etc etc.
It has taken quite some time to correct this wrong position but, finally, law librarians taking the lead, the courts have stated what ought to have been obvious: no private law report company has any copyright on the judgment although to the extent that they have headnotes or case summaries or annotations by learned jurists, those parts are copyright.