Answer with ubuntu linux terminal commands. (uniq, sort, etc.)

For the sake of this assignment: a,e,i,0, u are vowels, and y is never a vowel. All the other letters are consonants. 1. Find all the lines in the files, that start with poem, that contain words that end with "ing" 2. Count the number of lines in the files, that start with poem, that start with a capital vowel. 3. Save the lines in the files, that start with poem, that don't contain the word "to" in a file called dont_contain_to.txt 4. Using the words. txt file in homework 02 folder, write a regular expression that matches any string containing: a. exactly four consecutive vowels. b. Between two and four consecutive consonants. c. no instances of the letter e or z. d. b or k at the beginning and a vowel at the end