Windows Hard Link !link! -

Every normal file you create is actually a hard link already—it's just that there's only one link to that data. When you create a second hard link, you're telling Windows: "This data should also appear at this other path."

Use them wisely, and always remember: a file with two names is still one file. windows hard link

You can view the link count using:

In this guide, you'll learn exactly what hard links are, how to create them, when to use them, and the critical pitfalls to avoid. A hard link is an additional directory entry that points directly to the same underlying file data on disk. Every normal file you create is actually a

echo Important > doc.txt mklink /H backup.txt doc.txt del doc.txt Many users think backup.txt now contains the original data. It does! But they also think doc.txt is gone forever. That's correct. What they realize: backup.txt is the original data now. Deleting doc.txt only removed one name. A hard link is an additional directory entry

Workaround: Use directory junctions or symlinks with mklink /D or mklink /J . Hard links cannot span drives (C:\ to D:). Each volume maintains its own file reference table. For cross-volume needs, use symbolic links. ❌ The Deletion Trap This is the most common hard link mistake:

copy file.txt file_backup.txt # Wrong: uses 2x space mklink /H file_backup.txt file.txt # Right: zero extra space This is not a true snapshot. Changes to file.txt will appear in file_backup.txt because they're the same data. Use this only when you want simultaneous updates across paths, not historical versions. 3. Compatibility Layers for Legacy Software Some old software expects configuration files in hardcoded paths. Instead of copying (and then desyncing), use hard links: