Common Controls Hub
All accounts on the system must have unique user or account names
Unique usernames allow for accountability on the system.
Red Hat Enterprise Linux 6 Security Technical Implementation Guide
Check Text ( C-19525r377147_chk )
Run the following command to check for duplicate account names:
# pwck -rq
If there are no duplicate names, no line will be returned.
If a line is returned, this is a finding.
Fix Text (F-19523r377148_fix)
Change usernames, or delete accounts, so each has a unique name.