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  2. System File Checker - Wikipedia

    en.wikipedia.org/wiki/System_File_Checker

    In addition, the System File Checker utility (sfc.exe) was reimplemented as a more robust command-line utility that integrated with WFP. Unlike the Windows 98 SFC utility, the new utility forces a scan of protected system files using Windows File Protection and allows the immediate silent restoration of system files from the DLLCache folder or ...

  3. CHKDSK - Wikipedia

    en.wikipedia.org/wiki/CHKDSK

    CHKDSK is implemented as an external command. MS-DOS versions 2.x - 4.x use chkdsk.com as the executable file. MS-DOS versions 5.x and later use chkdsk.exe as the executable file. [8] CHKDSK can also show the memory usage, this was used before the command MEM.EXE was introduced in MS-DOS 4.0 to show the

  4. CONFIG.SYS - Wikipedia

    en.wikipedia.org/wiki/CONFIG.SYS

    They also contain the requirements of different software application packages. A DOS system would require troubleshooting if either of these files became damaged or corrupted. If CONFIG.SYS does not contain a SHELL directive (or the file is corrupt or missing), DOS typically searches for COMMAND.COM in the root directory of the boot drive. [19]

  5. TestDisk - Wikipedia

    en.wikipedia.org/wiki/TestDisk

    TestDisk can recover deleted files especially if the file was not fragmented and the clusters have not been reused. There are two file recovery mechanisms in the TestDisk package: [2] TestDisk proper uses knowledge of the filesystem structure to perform "undelete". PhotoRec is a "file carver". It does not need any knowledge of the file system ...

  6. Data corruption - Wikipedia

    en.wikipedia.org/wiki/Data_corruption

    Some file systems, such as Btrfs, HAMMER, ReFS, and ZFS, use internal data and metadata checksumming to detect silent data corruption. In addition, if a corruption is detected and the file system uses integrated RAID mechanisms that provide data redundancy, such file systems can also reconstruct corrupted data in a transparent way. [18]

  7. cd (command) - Wikipedia

    en.wikipedia.org/wiki/Cd_(command)

    The cd command can be used to change the working directory of the working drive or another lettered drive. Typing the drive letter as a command on its own changes the working drive, e.g. C: ; alternatively, cd with the /d switch may be used to change the working drive and that drive's working directory in one step.

  8. autorun.inf - Wikipedia

    en.wikipedia.org/wiki/Autorun.inf

    autorun.inf is an ASCII text file located in the root folder of a CD-ROM or other volume device medium (See AutoPlay device types).The structure is that of a classic Windows .ini file, containing information and commands as "key=value" pairs, grouped into sections. [1]

  9. Windows File Recovery - Wikipedia

    en.wikipedia.org/wiki/Windows_File_Recovery

    Windows File Recovery is a command-line software utility from Microsoft to recover deleted files. [1] [2] It is freely available for Windows 10 version 2004 (May 2020 Update) and later from the Microsoft Store. [3] Windows File Recovery can recover files from a local hard disk drive (HDD), USB flash drive, or memory card such as an SD card.