Bulk user creation (with sudo)

create_users.sh

#!/bin/bash
while IFS=';' read -r USER PASSWORD; do
    echo "Creating ${USER} user..."
    useradd -s /bin/bash -d /home/${USER} -m ${USER}
    usermod -aG sudo ${USER}
    echo "${USER}:${PASSWORD}" | chpasswd
    echo "Default password set to ${PASSWORD} for ${USER} user."
done < users.txt

users.txt

replace;password
these;password
users;password
with;password
yours;password
and;password
keep;password
one;password
empty;password
line;password