getent

getent group sudo
getent group YOURGROUP
getent ahosts

Package: libc-bin

See also

• GID, chgrp, groups, groupadd, groupdel, /etc/group, /etc/gshadow, getent group
• sudo, visudo, su, passwd, sudo su, Passwordless sudo, /etc/sudoers, /etc/sudoers.d/, /etc/sudoers, sudo --help