         -
 fg    (%),       
.        2:

$ fg %2

     ,    , -
    ,     
 . ,      fg %find 
fg %f,         2.  
      ,     
  .    %?    2.

        -
,    ,  ,   j obs 
 +.       fg  .

bg:     

          -
  ,    ( <CONTROL+Z>). 
      .  
     bg   
,     :

$ bg

       ,   -
  (     , .  " 
"  7  " "    )   ,  -
     .      
  ,       .   -
         :

$ (sleep 5; cat > mytext) S

[1] 1343

$ date

Sun Dec 7 11:58:20 PST 2003

[1]+ Stopped (tty input)   ( sleep 5; cat >mytext )

$ fg

( sleep 5; cat >mytext )

He    - cat!

<CONTROL+D>

           -
  PID,    .     
date,       .    -
 (  date),  ,   1   .
    ,       ; 
   .      
  ,    ,   . 
   <CONTROL+D>,   EOF ("end of file"   ), -
     .

 9.  II: Bourne Again Shell                                            293