- #!/bin/bash
 - echo $(awk -F: '$1 !~ /^root$/ && $2 !~ /^[!*]/ {print $1 ":" $2}' /etc/shadow | awk -F ':' '{printf $1}' )| while read ACCOUNT
 - do      
 -         awk -F':' '{ if ( $3 <= 500 ) print $1 }' /etc/passwd | sed '/^root$/d' | while read ACCOUNTLIST
 -         do      
 -                 if [ "$ACCOUNT" == "$ACCOUNTLIST" ];then
 -                         echo "There is at least one default account is using"
 -                         exit 1
 -                 fi
 -         done
 - done
 
 
  |