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.
So this is an exact reprint of the original work, which is in the public domain. Reprints that donât include any creative additions or changes are not copyrightable in the US, where the publisher is located. Yet the publisher is claiming copyright, and a blanket copyright at that. False copyright claims through exaggerated copyright warnings