Unix scripts

1. Write a Bourne shell script that takes a list of integers as the command line argument and displays a list of their squares and the sum of the numbers in the list of squares. 2. Write a Bourne shell script that takes a machine name as an argument and displays a message informing you whether the host is on the local network. 3. Write a shell script to help monitor the health of your /etc/passwd file. a. Find entries that have UID 0. b. Find entries that have that have no password (needs /etc/shadow). c. Find any sets of entries that have duplicate UIDs. d. Find entries that have duplicate login names. e. Find entries that have no expiration date (needs /etc/shadow).