Setting file permissions from command line in windows


You want to modify permissions in Windows from the DOS prompt command line.



Use cacls

cacls /?



Here are the commands to modify MS Windows/DOS files and directories.

  • Display file permissions. Replace filename with your file name.
> cacls filename ...filename            NT AUTHORITYSYSTEM:F PCxxxxxxxxxxxxAdmin:F
  • Modify permissions. Here we are granting full access to the user, replace user with desired user name.
> cacls filename /E /G user:F processed file: C:...filename
  • Here we see the permissions have been reset:
> cacls filename ...filename           PCxxxxxxxxxuser:F NT AUTHORITYSYSTEM:F PCxxxxxxxxxxxxxAdmin:F


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