Fsck

1. Short for File System Check, fsck is a program run on Linux, Unix and their variants that checks the file system for any errors. For users who are familiar with Microsoft Windows, this command is similar to Microsoft's scandisk command.
   
   See our fsck command page for additional information about this command.
    

2. Also a common misspelling for the fu*k swearword.

Also see: Hard disk drive definitions, Linux, Scandisk