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→Single Operator Mode of Operation
==Single Operator Mode of Operation==
All the major general purpose operating systems today are multi-user OS. When the NSS cryptographic module is used at Security Level 1, only one user account should be created in the OS. Mac OS X and Windows XP are typically used with only one user account. The following explains how to configure a UNIX system for single user. The general idea is the same across all Unix variants.
* Remove all login accounts except "root" (the superuser).
* Disable NIS and other name services for users and groups.
# Edit the system file <code>/etc/inetd.conf</code>. Remove or comment out the lines for remote login, remote command execution, and file transfer daemons such as <code>telnetd</code>, <code>rlogind</code>, <code>remshd</code>, <code>rexecd</code>, <code>ftpd</code>, and <code>tftpd</code>.
# Reboot the system for the changes to take effect.
'''Red Hat Enterprise Linux'''
