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. 76.2.  User Properties (-
 ),  User Data
( )

 .   ,    
      Properties ()  -
 ;    User Properties ( ),
  . 16.2.      : User
Data (  ). Account Info ( ), Password Info
( )  Groups ().  User Data   -
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 Groups ().       Add Group (-
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.       : 
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useradd:  
 

 useradd (      adduser)    
  .   useradd   
      
       bash.  -

 16.   543