Hardlinks and symlinks.
Support creation of symlinks and hardlinks in filesystems that support them.
Possible applications:
- Hardlink installed APK files into /data/media to allow read access from unprivileged apps (e.g. for Bluetooth sharing)
- Hardlink files between user directories within /data/media for multiuser systems
- Symlink rarely used or big APK files into a different partition.
- Every other kind of cool stuff one can do with hardlinks and symlinks.
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João Matos commented
I usually do these things through a root shell, but a bug in CM10.2.0 that broke tab completion and line editing in root shells brought attention to how painful that may be for some users.