What is Chkdsk?

 What is Chkdsk? MS-DOS Hard Drive Space Fix Some Disk Errors

     An MS-DOS program used to fix problems with the how the files are stored on the hard drive. Chkdsk is used to check the status of a diskette or hard drive, fix some errors, and display a status report showing any errors found in the file allocation table. If errors are found on the disk, CHKDSK displays a warning messages.
     Chkdsk is an external DOS command. The external command is not loaded into memory with the rest of DOS; rather, it remains on disk and the reason for this brilliant idea is to reserve the computer's memory. Oh, by the way, chkdsk is a short way of saying "Check Disk" and this command can be used on either your hard drive or your floppy diskette.
     This command is used to check the validity of a drive, volume information, size (total disk space), the number of files and the amount of free space on the hard drive itself. It also gives information in reference to the format of the disk and total free amounts of RAM inside your computer.

CAUTION

DO NOT run Chkdsk while in Windows or in a DOS window.
Exit Windows and run it at the DOS prompt only.

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 What is Chkdsk? MS-DOS Hard Drive Space Fix Some Disk Errors