  11,    Is.    
          
.        Is, 
     Is -F -1. (    -
  Is   ,    ,    
.)

      =     alias
       .   
,  alias   :

$ alias 11 Is wx

alias 11='ls -
alias ls='ls -F'
alias: 'wx' not found     ( )

   alias       -
 :

$ alias

alias 11='ls -
alias 1='ls -Itr'
alias ls=' Is '-F'
alias zap='rm -i'

   ,    
 (\):

$ Ms

Test Emacs XTerm.ad flute.ps maptax.icn
Tiger     fixtax.icn floor     testdir

i               
 ,    , ,   , 
:

$ 11 f*

'       -rw-r--r-- 1 alex   group     641 Apr 1 2003 fixtax.icn
i       -rw-rr 1 alex   group   30015 Mar 1 2002 flute.ps
|      -rwxr-xr-x 1 alex   group     485 Oct 21 08:03 floor*

       unalias.  
 zap      alias,    
     :

$ unalias zap

$ alias

alias 11='ls -

alias 1='ls -Itr'

alias ls='ls -F'

$ zap maptax.icn

bash: zap: command not found       )

 9.  II: Bourne Again Shell                                            335