#   

           -
     .

          (#),   
    (!),      -  
,          
       (  NEWLINE).

 

        (), -
   .      -
  ,     ,  (  )
,     ,    -
  .

|      bash         -login, 
I   bash      /etc/profile.    bash -
i      ,     .bash profile,   

,    .bash_login.       , bash
1     .profile.           -
,       .bash_logout    ,   
;    (. 9.1).

 9.1.     bash

^ -                  

()       ( ) 

/etc/profile   .

.bash profile  .                   ,     -
~                                     ,  -
  .

.bash_login    ,  

.bash_profile.

.profile       ,  

.bash_profile 
.bash_login.

.bashrc          -    .
,   -
 .

BASH ENV        .              ,  
 ENV                                    .   -
   POSIX,    
,   ENV.  
  ,   BASH ENV.

.bash logout     .    .

 9.  II: Bourne Again Shell                                            301