A) how many different strings can be made from the word peppercorn when:
i) all the letters are used?
ii) at least 6 of the letters are used?
b) how many different strings can be made from the letters in aardvark, using all of the letters, if all three as must be consecutive?
c) how many permuations of the 26 letters of the english alphabet do not contain any of the strings fish, rat, or bird?

Write the command that can be used to answer the following questions. (hint: try each out on the system to check your results.) a. find all files on the system that have the word test" as part of their filename. b. search the path variable for the pathname to the awk command. c. find all files in the /usr directory and subdirectories that are larger than 50 kilobytes in size. d. find all files in the /usr directory and subdirectories that are less than 70 kilobytes in size. e. find all files in the / directory and subdirectories that are symbolic links. f. find all files in the /var directory and subdirectories that were accessed less than 60 minutes ago. g. find all files in the /var directory and subdirectories that were accessed less than six days ago. h. find all files in the /home directory and subdirectories that are empty. i. find all files in the /etc directory and subdirectories that are owned by the group bin."