          -
    ,      . 
   ,   , -
,  (*).

       ,   tmp.
   var  tmp*,    
  ,       (  -
  ).  tmp*    ;  
 .     set (  ) -
  var,  tmp*.

  echo    .  $var  
 ,        echo
  $var,    echo.    
        -
 var      .    
   ,     .  -
 ,   ,     -
 echo   ,    :

$ Is tmp*

trnpl tmp2 tmp3

$ var=tmp*

$ set | grep var

var=tmp*

$ echo '$var'

$var

$ echo "$var"

tmp*

$ echo $var

trnpl tmp2 tmp3



     ,   .  -
 ,   ,    -
.         -
   ( ).

          
.          , -
 .     ,    
.        bash,    -
    .         .

      Bourne Again Shell,    -
 Job Shell,  Bourne Again Shell    .  
    ,  . ,   -
 ,         
fg.           
bg,     .

      (PID)  
    Linux.     

344                                       III.   Red Hat Linux