1.What files and directories in your Linux home directory can you (the owner) read and write but your group and everyone else can read only. How many such files are there? What Linux command or pipe could you use?

2.Find all files and directories on Linux that an owner can read and write, the group can can read only, and everyone else is denied access. How many such files are there? What Linux command or pipe could you use?

3.Create another Linux user and make him the owner of one of your files. What Linux command or pipe could you use?