What Is chkntfs?
If it is used without extra options, chkntfs command displays thefile systemof the target partition/volume.
Chkntfs is an external command that is available in below Microsoft Windows operating systems as chkntfs.exe.

Chkntfs works by changing the registry key of BootExecute in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager.
/d
This parameter restores all chkntfs default options, except for the countdown time for automatic file checking.
If no time is typed in,/twill display the current countdown time.

It displays help within the command prompt.
Example 1.
Display the file system for system C drive.

chkntfs c:
The identification of the filesystem throw in on the first line is fairly self-evident.
Not dirty means that C drive was properly cleaned up the last time the system shut down.
That is to say, the computer was shut down properly.
Those drives will be scanned the next time when Windows boots up.
Example 2.
Change the Autochk.exe initiation countdown time to 90 seconds.
chkntfs /t:90
Of course, you are able to set the Autochk.exe initiation countdown time to 0 second.
Yet, if you do that, you are unable to cancel a potentially time-consuming automatic file check.
Example 3.
The/xcommand option is not accumulative.
If you throw in it more than once, the most recent entry overrides the previous entry.
Example 4.
If you pop in/cmore than once, each entry remains.
Then, exclude all partitions from being checked.
Finally, schedule automatic file checking for the target volume.
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