adding user to a group in linux code example
Example 1: ubuntu add user to group
sudo usermod -a -G group username
Example 2: how to add multiple users to group in linux
gpasswd -M userA,userB,userC mygroup
#if gpasswd is available on system.
Example 3: linux add user to group
# add user to additional group
usermod -G groupname username
Example 4: linux user groups
groups $username
Example 5: how to create a user and add it to a group in linux
useradd -G examplegroup exampleusername