IBM eServer Certification Study Guide - pSeries AIX System Administration

13.3. User administration related files

The following files are referenced while doing user administration:

/etc/security/environ	Contains the environment attributes for users.
/etc/security/lastlog	Contains the last login attributes for users.
/etc/security/limits	Contains process resource limits for users.
/etc/security/user	Contains extended attributes for users.
/usr/lib/security/mkuser.default	Contains the default attributes for new users.
/usr/lib/security/mkuser.sys	Customizes new user accounts.
/etc/passwd	Contains the basic attributes of users.
/etc/security/passwd	Contains password information.
/etc/security/login.cfg	Contains configuration information for login and user authentication.
/etc/utmp	Contains the record of users logged into the system.