Keep your two folder equal using Robocopy

Really good explanation found here.

If you want to sync two folder on your computer, just open command prompt and type below command,

D:\>robocopy "D:\kerjaan" "D:\Onebox\kerjaan" /e  /ns /njs /njh /ndl /fp /log:reconcile.txt

and after that you can check using below command,

D:\>robocopy "D:\kerjaan" "D:\Onebox\kerjaan" /e /l /ns /njs /njh /ndl /fp /log:reconcile.txt

for full manual you can found here.