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CHKDSK.COM (among several other COM files) in IBM PC DOS 1.0. The command is available in MS-DOS versions 1 and later. [7] 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]
As a copy-on-write (CoW) file system for Linux, Btrfs provides fault isolation, corruption detection and correction, and file-system scrubbing. If the file system detects a checksum mismatch while reading a block, it first tries to obtain (or create) a good copy of this block from another device – if its internal mirroring or RAID techniques are in use.
It included a more user-friendly interface than CHKDSK, more configuration options, [2] [3] and the ability to detect and (if possible) recover from physical errors on the disk. This replaced and improved upon the limited ability offered by the MS-DOS recover utility. [4] Unlike CHKDSK, ScanDisk would also repair crosslinked files. [5]
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 ...
This behaviour of chkdsk /r /f does not occur on FAT32 or exFAT volumes. According to MS it is a feature and not a bug because it speeds up the scan a little and they assume that you don't use the system for other things anyway while running chkdsk x: /r /f, but it is known tl cause a lot of problems, so imho it should be mentioned here.
SYS: Transfers the system files to another drive to make it bootable. TREE: Display a directory tree. XCOPY: Extended file copy. Standard DOS device drivers: ANSI.SYS: ANSI console driver. EMM386.EXE: Expanded memory manager. HIMEM.SYS: Extended memory manager. RAMDRIVE.SYS / VDISK.SYS: RAM disk; VDISK.SYS is in older versions of MS DOS
Learn about possible workarounds for Temporary Error 5 in AOL Mail.
shutdown /r /o: Windows Vista: Microsoft Drive Optimizer: Rearranges files stored on a hard disk to occupy contiguous storage locations in order to optimize computer performance dfrgui.exe: Windows 95, Windows 2000: Event Viewer: Lets administrators and users view the event logs on a local or remote machine eventvwr.msc: Windows NT 3.1 ...