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In an operating system, an example of namespace is a directory. Each name in a directory uniquely identifies one file or subdirectory. [9] As a rule, names in a namespace cannot have more than one meaning; that is, different meanings cannot share the same name in the same namespace.
A namespace name does not necessarily imply any of the semantics of URI schemes; for example, a namespace name beginning with http: may have no connotation to the use of the HTTP. Originally, the namespace name could match the syntax of any non-empty URI reference, but the use of relative URI references was deprecated by the W3C. [31]
The feature works by having the same namespace for a set of resources and processes, but those namespaces refer to distinct resources. Resources may exist in multiple namespaces. Examples of such resources are process IDs, host-names, user IDs, file names, some names associated with network access, and Inter-process communication.
In computing, a directory service or name service maps the names of network resources to their respective network addresses.It is a shared information infrastructure for locating, managing, administering and organizing everyday items and network resources, which can include volumes, folders, files, printers, users, groups, devices, telephone numbers and other objects.
The namespace name is a useful variable for searching in and reporting on sets of pages. It is also used to apply features that configure the sets of pages in one namespace differently from another namespace. Using the namespace name MediaWiki can: Search for pages in a particular namespace only. Report on content or changes in content of a ...
Names are considered equal if the namespace URI and local name match. In addition, most models provide some way of determining which namespaces have been declared for a given element. This information is needed because some XML vocabularies allow qualified names (containing namespace prefixes) to appear in the content of elements or attributes ...
With namespaces, no capitalization of a namespace name, apart from the first letter, is allowed. Also, no spaces (which are translated to underscores) are allowed before or after the colon of a namespace name. For example, the following are not allowed: HELP:, HeLp:, Help_: or Help:_ (with spaces rather than underscores).
Namespace Greek}} assigns a Greek letter to each namespace, to assist sorting. {{ namespace name }} parses these from numbers. The above documentation is transcluded from Template:Namespaces/doc .