User Management on Linux server

user-management.bash

# Add new user
sudo useradd newuser

# Set password for newuser user
sudo passwd newuser

# Delete newuser user
sudo userdel newuser

# Create a group
sudo groupadd newgroup

# Add newuser user to newgroup group
# -a : append
# -G : group that wants to specify of | multiple/single group
# -g : default group 
sudo usermod -a -G newgroup newuser

# Multiple adding groups to user
# groups: newgroup1 and newgroup2
sudo usermod -G newgroup1,newgroup2 newuser

# Check newuser user group
sudo groups newuser

# Delete newgroup group
sudo groupdel newgroup