NOTE: CentOS Enterprise Linux is built from the Red Hat Enterprise Linux source code. Other than logo and name changes CentOS Enterprise Linux is compatible with the equivalent Red Hat version. This document applies equally to both Red Hat and CentOS Enterprise Linux.
Red Hat Enterprise Linux 4: System Administration Guide
Red Hat Enterprise Linux Reference Guide — This manual gives a
list of standard users and groups, discusses user private groups,
and provides an overview of shadow passwords.
Red Hat Enterprise Linux Introduction to System Administration — This companion manual
contains more information on managing users and groups as well as
managing user resources.
