for i in `seq 1 12`; do printf "%05d\n" $i; done000010000200003000040000500006000070000800009000100001100012
[root@localhost ~]# cat passwd root:x:0:0:root:/root:/bin/bash root:0:0:root:/root:/bin/bash oprofile:x:16:16:Special user account to be used by 
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