Unix

1. Suppose that you wished to copy all of the text files from your fileAsst directory into your current directory (without typing out the name of each individual file). What command would you give to make that copy?
2. Suppose that you wished to copy all of the text files from your fileAsst directory and all of the files from your fileAsst/Planes directory into your current directory (without typing out the name of each individual file). What command would you give to make that copy?

I need the solution in Unix language