# Chkdsk ("Check Disk") in Windows 8

Windows 8 has redesigned the venerable “chkdsk” tool. The tool has a new approach to disk health, speed optimizations in recognition of modern large disks, and support for ReFS (“Resilient File System”).

The following Microsoft <span class="caps">MSDN</span> Blog article covers the tools features and operational approach—

- **Redesigning chkdsk and the new <span class="caps">NTFS</span> health model**, [http://blogs.msdn.com/b/b8/archive/2012/05/09/redesigning-chkdsk-and-the-new-ntfs-health-model.aspx](http://blogs.msdn.com/b/b8/archive/2012/05/09/redesigning-chkdsk-and-the-new-ntfs-health-model.aspx)