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File locking. File locking is a mechanism that restricts access to a computer file, or to a region of a file, by allowing only one user or process to modify or delete it at a specific time and to prevent reading of the file while it's being modified or deleted. Systems implement locking to prevent the classic interceding update scenario, which ...
Lock (computer science) In computer science, a lock or mutex (from mutual exclusion) is a synchronization primitive that prevents state from being modified or accessed by multiple threads of execution at once. Locks enforce mutual exclusion concurrency control policies, and with a variety of possible methods there exist multiple unique ...
File-system permissions. Most file systems include attributes of files and directories that control the ability of users to read, change, navigate, and execute the contents of the file system. In some cases, menu options or functions may be made visible or hidden depending on a user's permission level; this kind of user interface is referred to ...
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chmod. In Unix and Unix-like operating systems, chmod is the command and system call used to change the access permissions and the special mode flags (the setuid, setgid, and sticky flags) of file system objects (files and directories).
Wikipedia is a wiki, meaning anyone can edit nearly any [1] page and improve articles immediately. You do not need to register to do this, and anyone who has edited is known as a Wikipedian or editor. Small edits add up, and every editor can be proud to have made Wikipedia better for all. There are two editing interfaces: the new VisualEditor ...
In order to replace any single protected file, Windows File Protection had to be disabled completely; Windows Resource Protection works on a per-item basis by setting ACLs. Therefore, by taking ownership of any single item, that particular item can be replaced, while other items remain protected.
Contents. Wikipedia:Administrators' guide/Protecting. Administrators protect pages and images to prevent vandalism and assist in resolving content disputes, for example. The key principle to remember here is that Wikipedia is the encyclopedia that "anyone can edit". Protecting pages defeats that goal and so page protection should be avoided ...