Assignment 7 Write a shell script called "maximum.sh". When run, this program will first print out a short instruction message like the one below. Afterward, it will read integers, one-per-line until it reads the word end, at which it point it will report the maximum value given by the user and exit. username@sun> /maximum.sh Enter a sequence of numbers followed by "end" 27 302 38 92 end maximu:302