groupadd group_namegpasswd group_nameDisplay groups password's
cat /etc/gshadow
usermod -G group_name usernameusermod -aG *group_name *usernamegpasswd -d username groupgroupdel Group1
groupadd group_namegpasswd group_nameDisplay groups password's
cat /etc/gshadow
usermod -G group_name usernameusermod -aG *group_name *usernamegpasswd -d username groupgroupdel Group1