Questions about: hard-link

Many of us come from the windoze world to Linux through Ubuntu. I wondered whether there is a way to set up Windoze key board equivalents in ubuntu. After searching in the web and doing some experiments myself, I have set up the following in my ubunt
They allow you to create loopsA hard link to a directory can link to a parent of itself, which creates a file system loop. For example, these commands could create a loop with the back link l: mkdir -p /tmp/a/b cd /tmp/a/b ln -d /tmp/a l A filesystem