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การ copy ไฟล์ โดยยังคง permission

HOW TO: Copy a Folder to Another Folder and Retain its Permissions


xcopy m:\user user /O /X /E /H /K

กรณียังไม่เคยมี folder user  โปรแกรม xcopy จะถามว่า destination เป็น File หรือ Directory


This step-by-step article describes how to copy a folder to another folder and retain its permissions.

When you copy or move files and folders by using Windows Explorer, the permissions that are set on the files or folders may change. For example, when you copy a file in an NTFS file system volume or between two NTFS volumes, Windows 2000 treats it as a new file. As a new file, it takes on the permissions of the destination folder, and you become the CREATOR OWNER.

NOTE: You must have Write permission for the destination folder to copy files and folders.

You can use the Xcopy command with the /O/X/E/H/K switches to copy the files and retain the existing permissions that have been specifically applied to the file or files.

These switches have the following effects:

/E – Copies folders and subfolders, including empty ones.
/H – Copies hidden and system files also.
/K – Copies attributes. Typically, Xcopy resets read-only attributes.
/O – Copies file ownership and ACL information.
/X – Copies file audit settings (implies /O).

NOTE: This procedure does not override inherited permissions. When you use the Xcopy command with the /O /X /E /H /K switches to copy the files, the following inherited permissions apply:

  • The security settings that are directly assigned to the files and folders are retained.
  • The security settings that are inherited from the source parent folder are lost.
  • The security settings of the destination folders are inherited.
  • When you move files or folders to FAT volumes, the folders and files lose their NTFS permissions because FAT volumes do not support NTFS permissions.

For more information about inheritance, see the “Changing inherited permissions” topic in Windows Help.

Copy a Folder to Another Folder and Retain its Permissions

  1. Click Start, and then click Run.
  2. In the Open box, type cmd, and then click OK.
  3. Type xcopy sourcedestination /O /X /E /H /K and then press ENTER, where source is the source path for the files to be copied, and destination is the destination path for the files.


Type xcopy c:\olddocs c:\newdocs /O /X /E /H /K, and then press ENTER, where olddocs is the source folder and newdocs is the destination folder.







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