basics command in linux system. Answer the following 4 commands:

9 ) Write a find command that will identify all files in the working directory (and its descendents) that end in .cpp and contain the string "#include".

10 ) Write a find command that will identify and delete all link files in the working directory (and its descendents).

11 ) Write an ls command with a glob specification that identifies all files in the working directory that begin with a, e, i, o, or u and end with w, z, or y.

12 ) Write an ls command with a glob specification that identifies all files in the working directory with names containing 2, 4, 6, or 8 characters.