Vib3 said:ncdu helped nicely to getter better image of files in folders.
It said that my /rescue folder is 440.5MB.
/rescue folder is full on files:
Should they be rather links and whats the best way to make them links ?
If you add -i to the ls command, you'll notice that they all have the same inode number -- they're all hardlinked to one single file. Everything under /rescue is actually one massive crunchgen binary that does different things depending on the name that it is called by. IOW, everything is normal here.
/rescue has all the tools you should need to rescue a system that won't boot, and/or that doesn't have /usr/