1. Create group
Syntax: groupadd group name
2. Delete group
Syntax: groupdel group name
3. Create a user directly to the specified group
Syntax: useradd -g users username
4. Modify the user group
Syntax: usermod -g users username
1. Create group
Syntax: groupadd group name
2. Delete group
Syntax: groupdel group name
3. Create a user directly to the specified group
Syntax: useradd -g users username
4. Modify the user group
Syntax: usermod -g users username