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  2. fsck - Wikipedia

    en.wikipedia.org/wiki/Fsck

    Partially recovered files where the original file name cannot be reconstructed are typically recovered to a "lost+found" directory that is stored at the root of the file system. A system administrator can also run fsck manually if they believe there is a problem with the file system. The file system is normally checked while unmounted, mounted ...

  3. 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 ...

  4. List of POSIX commands - Wikipedia

    en.wikipedia.org/wiki/List_of_POSIX_commands

    Create a tags file 3BSD cut: Text processing Mandatory Cut out selected fields of each line of a file System III cxref: C programming Optional (XSI) Generate a C-language program cross-reference table System V date: Misc Mandatory Display the date and time Version 1 AT&T UNIX dd: Filesystem Mandatory Convert and copy a file Version 5 AT&T UNIX ...

  5. 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

  6. Simple file verification - Wikipedia

    en.wikipedia.org/wiki/Simple_file_verification

    Simple file verification (SFV) is a file format for storing CRC32 checksums of files to verify the integrity of files. SFV is used to verify that a file has not been corrupted, but it does not otherwise verify the file's authenticity. The .sfv file extension is usually used for SFV files. [1]

  7. Linux Terminal Server Project - Wikipedia

    en.wikipedia.org/wiki/Linux_Terminal_Server_Project

    Linux Terminal Server Project (LTSP) is a free and open-source terminal server for Linux that allows many people to simultaneously use the same computer. Applications run on the server with a terminal known as a thin client (also known as an X terminal) handling input and output. Generally, terminals are low-powered, lack a hard disk and are ...

  8. SystemRescue - Wikipedia

    en.wikipedia.org/wiki/SystemRescue

    To burn the DVD, one must burn the image file first and then add all the separate files and folders. [9] This should not affect the general way in which the DVD works. The DVD can then be used to insert those files into the hard drive using Midnight Commander.

  9. Data degradation - Wikipedia

    en.wikipedia.org/wiki/Data_degradation

    The original photo is displayed first. In the next image, a single bit was changed from 0 to 1. In the next two images, two and three bits were flipped. On Linux systems, the binary difference between files can be revealed using cmp command (e.g. cmp -b bitrot-original.jpg bitrot-1bit-changed.jpg).