Session management
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In human-computer interaction, session management is the process of keeping track of a user's activity across sessions of interaction with the computer system.
Typical session management tasks in a desktop environment might include keeping track of which applications are open and which documents each application has opened, so that the same state can be restored when the user logs out and logs in later. For a website, session management might involve requiring the user to re-login if the session has expired (i.e, a certain time limit has passed without user activity).
Session management is particually useful in a web browser where a user can save all open pages and settings and restore them at a later date. To help recover from a system or application crash, pages and settings can also be restored on next run. OmniWeb and Opera are examples of web browsers that supports session management.