    ,      .
    ,       
     .

!n   

,    ,  .   
   ,   .      -
,     .    -
       .  !-3
     .   -  
    ( -3   -4).  -
     44:

51 $ !44

Is -I text

-rw-rw-r--   1 alex     group          45 Nov 30 14:53 text

52 $ !-8
Is -1 text

-rw-rw-r--   1 alex     group          45 Nov 30 14:53 text

!   

     ,     
 ,     .     -
 ,     ,   
.     ,     -
 RETURN:

68 $ history

59 Is -1 text*   60 tail text5

61 cat textl text5 > letter

62 vi letter

63 cat letter

64 cat memo

65 Ip memo

66 jenny

67 Is -1

68 history

69 $ 
Is -1

70 $ !lp

Ip memo
request id is printer 1-1016 (1 file)

71 $ !?letter?

cat letter

 9.  II: Bourne Again Shell                                            327