CODE EXAMPLE FOR SHELL

Bulk user add with passwords bash script

echo -e "Enter file path: c"
read -r userfile
echo
for i in `more $userfile`
do
        sudo useradd $i
        echo "User $i added!"
        echo "Setting user $i password..."
# Below line will generate a password like john@linux        
        password="${i}@linux"
        echo -e "$password
$password
" | sudo passwd $i
        echo "User $i password set!"
        echo
done