Create A Restricted User

restricted_user.sh

#!/bin/bash
username="user_name"

cp -a /bin/bash /bin/rbash
useradd -c "A Restricted User" -d /home/$username -s /bin/rbash $username

rm -rf /home/$username
mkdir -m 555 /home/$username
mkdir -m 555 /home/$username/bin
cp -a /bin/ls /home/$username/bin
cp -a /usr/bin/passwd /home/$username/bin

echo "export PATH=/home/$username/bin" > /home/$username/.bash_profile
chmod 444 /home/$username/.bash_profile

passwd $username