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  2. System File Checker - Wikipedia

    en.wikipedia.org/wiki/System_File_Checker

    In Windows Vista, Windows 7 and Windows 10, System File Checker is integrated with Windows Resource Protection (WRP), which protects registry keys and folders as well as critical system files. Under Windows Vista, sfc.exe can be used to check specific folder paths, including the Windows folder and the boot folder.

  3. cksum - Wikipedia

    en.wikipedia.org/wiki/Cksum

    cksum is a command in Unix and Unix-like operating systems that generates a checksum value for a file or stream of data. The cksum command reads each file given in its arguments, or standard input if no arguments are provided, and outputs the file's 32-bit cyclic redundancy check (CRC) checksum and byte count. [1]

  4. Simple file verification - Wikipedia

    en.wikipedia.org/wiki/Simple_file_verification

    SFV uses a plain text file containing one line for each file and its checksum [1] in the format FILENAME<whitespaces>CHECKSUM. Any line starting with a semicolon ';' is considered to be a comment and is ignored for the purposes of file verification. The delimiter between the filename and checksum is always one or several spaces; tabs are never ...

  5. CHKDSK - Wikipedia

    en.wikipedia.org/wiki/CHKDSK

    The chkdsk command on Windows XP. CHKDSK can be run from DOS prompt, Windows Explorer, Windows Command Prompt, Windows PowerShell or Recovery Console. [10] On Windows NT operating systems, CHKDSK can also check the disk surface for bad sectors and mark them (in MS-DOS 6.x and Windows 9x, this is a task done by Microsoft ScanDisk).

  6. Checksum - Wikipedia

    en.wikipedia.org/wiki/Checksum

    A checksum is a small-sized block of data derived from another block of digital data for the purpose of detecting errors that may have been introduced during its transmission or storage. By themselves, checksums are often used to verify data integrity but are not relied upon to verify data authenticity .

  7. Internet checksum - Wikipedia

    en.wikipedia.org/wiki/Internet_checksum

    The checksum field is the 16 bit one's complement of the one's complement sum of all 16 bit words in the header. For purposes of computing the checksum, the value of the checksum field is zero. If there is no corruption, the result of summing the entire IP header, including checksum, and then taking its one's complement should be zero.

  8. List of Microsoft Windows components - Wikipedia

    en.wikipedia.org/wiki/List_of_Microsoft_Windows...

    Windows Update: An online service providing updates such as service packs, critical updates and device drivers. A variation called Microsoft Update also provides software updates for other Microsoft products. control.exe update: Windows 98: Windows Installer: An engine for the management of software installation.

  9. Patch (computing) - Wikipedia

    en.wikipedia.org/wiki/Patch_(computing)

    In some cases updates may knowingly break the functionality or disable a device, for instance, by removing components for which the update provider is no longer licensed. Patch management is a part of lifecycle management, and is the process of using a strategy and plan of what patches should be applied to which systems at a specified time.