09-23-2008
Hi
If i remember
1 Is name user or name service
2 can be crypted password or * or ! or !!
(*,!!,!)is string flag to inform as system process or daemon process and other elements ....
3 is userid
To really understand
execute man adduser , after some learn
make several type users and open /etc/shadow to observe relation effect resulting
also see /etc/include/shadow.h for struct ....
Best regards
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