chkdsk

Microsoft Windows [Version 10.0.10586]
(c) 2016 Microsoft Corporation. All rights reserved.

C:\Windows\system32>chkdsk
The type of the file system is NTFS.

WARNING!  /F parameter not specified.
Running CHKDSK in read-only mode.

Stage 1: Examining basic file system structure ...
  189952 file records processed.
File verification completed.
  5927 large file records processed.
  0 bad file records processed.

Stage 2: Examining file name linkage ...
  278566 index entries processed.
Index verification completed.
  0 unindexed files scanned.
  0 unindexed files recovered to lost and found.

Stage 3: Examining security descriptors ...
Security descriptor verification completed.
  44308 data files processed.
CHKDSK is verifying Usn Journal...
  32231960 USN bytes processed.
Usn Journal verification completed.

Windows has scanned the file system and found no problems.
No further action is required.

 976247807 KB total disk space.
  18959288 KB in 136438 files.
    128572 KB in 44309 indexes.
         0 KB in bad sectors.
    318531 KB in use by the system.
     65536 KB occupied by the log file.
 956841416 KB available on disk.

      4096 bytes in each allocation unit.
 244061951 total allocation units on disk.
 239210354 allocation units available on disk.

C:\Windows\system32>