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  2. LCH (clearing house) - Wikipedia

    en.wikipedia.org/wiki/LCH_(clearing_house)

    LCH runs a clearing service for contracts for difference (CFDs). CFDs were first launched in the UK in the early 90s as a short access product. Since then their use has grown across the world. LCH's centrally cleared CFD (ccCFD) service, in conjunction with Chi-X Europe, are an alternative to the traditionally over-the-counter traded CFDs.

  3. Disk Cleanup - Wikipedia

    en.wikipedia.org/wiki/Disk_Cleanup

    This option provides a systematic compression scheme. Infrequently accessed files are compressed to free up disk space while leaving the frequently used files uncompressed for faster read/write access times. If after file compression, a user wishes to access a compressed file, the access times may be increased and vary from system to system.

  4. Data erasure - Wikipedia

    en.wikipedia.org/wiki/Data_erasure

    Data erasure (sometimes referred to as data clearing, data wiping, or data destruction) is a software-based method of data sanitization that aims to completely destroy all electronic data residing on a hard disk drive or other digital media by overwriting data onto all sectors of the device in an irreversible process. By overwriting the data on ...

  5. CPU cache - Wikipedia

    en.wikipedia.org/wiki/CPU_cache

    A CPU cache is a hardware cache used by the central processing unit (CPU) of a computer to reduce the average cost (time or energy) to access data from the main memory. [1] A cache is a smaller, faster memory, located closer to a processor core, which stores copies of the data from frequently used main memory locations.

  6. Clear cache on a web browser - AOL Help

    help.aol.com/articles/clear-cookies-cache...

    A browser's cache stores temporary website files which allows the site to load faster in future sessions. This data will be recreated every time you visit the webpage, though at times it can become corrupted. Clearing the cache deletes these files and fixes problems like outdated pages, websites freezing, and pages not loading or being ...

  7. Sticky bit - Wikipedia

    en.wikipedia.org/wiki/Sticky_bit

    When a directory's sticky bit is set, the filesystem treats the files in such directories in a special way so only the file's owner, the directory's owner, or root can rename or delete the file. Without the sticky bit set, any user with write and execute permissions for the directory can rename or delete contained files, regardless of the file ...

  8. Clear your browser's cache on AOL Desktop Gold

    help.aol.com/articles/using-the-web-in-aol...

    Select the data you'd like to clear and click Clear Footprints Now. Empty the cache each time you quit Desktop Gold - Select the Browser Cache checkbox . Popular Products

  9. Memory paging - Wikipedia

    en.wikipedia.org/wiki/Memory_paging

    A process can store data in memory-mapped files on memory-backed file systems, such as the tmpfs file system or file systems on a RAM drive, and map files into and out of the address space as needed. A set of processes may still depend upon the enhanced security features page-based isolation may bring to a multitasking environment.