NIS: 





  ...

   NIS

   NIS

 yppasswd:   NIS

   NIS

 yppasswd:    NIS

 NIS (Network Information Service    ) -
    ,    -
            -
 .  NIS,   Sun Microsystems, -
     - .

 ,  DNS      
   /etc/hosts, NIS    
    ,  (  /etc/passwd). -
     (. ),     -
   UNIX  Linux,      ,
,  passwd.

  NIS

   LAN     
.        
 ,           
.    , ,   -