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.
Domain names indicate a domain's position in the overall DNS namespace, much as path names indicate a file's position in the UNIX file system. After your local domain is registered, its name is prepended to the name of the Internet hierarchy to which it belongs.he entire collection of DNS administrative domains throughout the world are organized in a hierarchy called the DNS namespace. This section shows how the namespace organization affects both local domains and the Internet.