The last president who ever owned slaves was, ironically, Ulysses S. Grant, elected in 1868 after he had commanded Union forces to victory over the Confederacy in the war that led to the abolition of slavery. Grant owned a slave named William Jones, whom he freed in 1859.
AI and Linux enthusiast. In general, a namespace is a container for a set of identifiers (also known as symbols, names). Namespaces provide a level of direction to specific identifiers, thus making it possible to distinguish between identifiers with the same exact name. For example, a surname could be thought of as a namespace that makes it possible to distinguish people who have the same given name.
DNS is a hierarchical naming system. A DNS name includes the names of all of the DNS namespaces that it belongs to. The DNS namespace is made up of a number of components. The DNS namespace starts with a root domain.The root domain is a logical domain that has no name and is represented by a dot (.) The root domain holds all top-level domains (TLDs) because they are the highest-level end of the DNS namespace. DNS name includes the names of all of the DNS namespaces that it belongs to. The DNS namespace is made up of a number of components. The DNS namespace starts with a root domain.