The command is to be done in UNIX

Assuming there already exists a file in the current directory called "tests" (don't count the double quotes) Please provide a single "find" command line that creates a "tests" file (without double quotes) in each subfolder of the current working directory. Create the "tests" files in a way that altering the contents of one of the "tests" files will alter the contents of all other "tests" files as wel. in addition, assure that when any of the "tests" files are deleted, it will not affect the other "tests" files. Please briefly explain how this comand will perform the task above