The file is only deleted once all links to it, and the file itself, are deleted. In addition, if any of the hard links or the original file(s) is/are deleted, the data will not be deleted, and the rest of the other links will still be able to access it. If a 1GB file is mirrored by 3 hard links, the total space used on the partition will only be 1GB instead of 4GB. Hard links on directories are not supported as it would lead to inconsistencies in parent directory entries.Īlthough a hard link is essentially a mirrored copy of the target file that it is pointing to, no additional hard drive space is required to store the hard link file. Hard links cannot link to a file that is on a different partition, volume or drive. More than one hard link can be created to point at the same file. Hard LinksĪ hard link is a file that represents another file on the same volume without duplicating the data of that file. The following sections describe each type of file link in detail. To create a file symbolic link: mklink linkName target.To create a directory symbolic link: mklink /D linkName target.To create a directory junction: mklink /J linkName target.To create a file hard link: mklink /H linkName target.One of the methods to create file links is to use the command line program mklink: Hard links, junction points and symbolic links are linking processes used by Windows to associate other files, directories or volumes. What are NTFS Hard Links, Junctions and Symbolic Links? In this article we will look at what these file links are and how they differ from one another. The latest form of file link was introduced in Windows Vista and continues to form part of their latest operating system. Over the years Microsoft continued to improve these tools which can now be used to link files and/or directories together. These links provide a convenient method for users to access their data. Microsoft has implemented linking tools in its NTFS operating file systems since Windows NT 4.0 and Windows 2000. Understanding NTFS Hard Links, Junctions and Symbolic Links Author: Conrad Chung, 2BrightSparks Pte.
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