/Commit-Image /MountDir: /Append /CheckIntegrity Applies changes to the mounted image. The image remains mounted until the ...

/Commit-Image /MountDir: [/Append] [/CheckIntegrity] 

  Applies changes to the mounted image. The image remains mounted until the 
  /Unmount-Image option is used. 
  Use /Append to add the image to an existing .wim file. 
  Use /CheckIntegrity to detect and track WIM file corruption. 

    Example: 
      DISM.exe /Commit-Image /MountDir:C:	est\offline