UNIX Desktop Questions & Answers

if [ $(id -u) -eq 0 ]; 
 then 	read -p "Enter username : " username 	
            read -s -p "Enter password : " password 	
            egrep "^$username" /etc/passwd >/dev/null 	
            if [ $? -eq 0 ]; then 		
               echo "$username exists!" 		
              exit 1 	
           else 		
              pass=$(perl -e 'print crypt($ARGV[0], "password")' $password) 		
             useradd -m -p $pass $username 		
             [ $? -eq 0 ] && echo "User has been added to system!" || echo "Failed to add a user!" 	
         fi
 else 	
           echo "Only root may add a user to the system" 	
           exit 2 
 fi

#!/bin/bash
clear
PS3="Enter your choice> "
select i in "Current Logins" "Last Logins" "Generate List of Users" "Create User Accounts" "Exit"
do


case $i in
        "Current Logins") who;;
        "Last Logins") lastlog;;
        "Generate List of Users") awk -F':' '{ print $1}' /etc/passwd;;
        "Create User Accounts") useradd;;
        Exit) exit;;
        
*) echo "Invalid choice";;
esac         
done