. 6.4.  ,   

 . 6.5  Is   ,      
 : demo, names  temp.     mkdir  
   literature,     /home/alex. 
 1 s    .

$ Is

demo  names  temp

$ mkdir /home/alex/literature

$ Is

demo  literature  names  temp

$ Is -F

demo  literature/  names  temp

$ Is literature

$

. 6.5.  mkdir

  Is   -F        
     (  ).   
 ,   . Is   .  
  . Is   .

 

      Linux     -
. ,        ,  -
    .      :

"   (  )  jenny".  pwd   -
 .

          , 
  .          .

 6.   Linux 197