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A computer lock is a physical lock on a computer with an accompanying key used for access control or as an anti-theft system. History. In the 1980s and early 1990s, ...
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 preventing reading of the file while it's being modified or deleted.
Check "caps lock" or "num lock" keys - These keys change the value of what you're actually typing. Update your browser autofill settings - If your browser remembers passwords, you may need to update your autofill settings after changing your password.
In computer science, read-copy-update (RCU) is a synchronization mechanism that avoids the use of lock primitives while multiple threads concurrently read and update elements that are linked through pointers and that belong to shared data structures (e.g., linked lists, trees, hash tables).
Depending on how you access your account, there can be up to 3 sections. If you see something you don't recognize, click Sign out or Remove next to it, then immediately change your password. • Recent activity - Devices or browsers that recently signed in. • Apps connected to your account - Apps you've given permission to access your info.
• Sign out of your AOL account when using a public computer or sharing a computer. • To ensure your account’s security and privacy, always sign out of AOL WebMail, My Account and websites in the AOL family, especially if you are using a public or shared computer. Learn more on how to secure your AOL account.
In computer science, a lock or mutex (from mutual exclusion) ... the application determines whether another user has changed the record since it was last read. The ...
Exclusive locks cannot be obtained when a record is already locked (exclusively or shared) by another entity. If lock requests for the same entity are queued, then once a shared lock is granted, any queued shared locks may also be granted. If an exclusive lock is found next on the queue, it must wait until all shared locks have been released.