file-management: fdupes with hardlinks
Fdupes is a very useful tool - it searches your harddisk for duplicated files and helps you to keep it structured. Currently, it only supports deleting duplicated files, which is not suitable for my music collection, because I want to store the same music in different places (eg. to make a collection for different reasons like music for a wedding and so on). One possibility would be to add tags to the music.