)   ,         
?

)    , ,  ,      -
    ,      -
     ?

5.       ,   
?      .

6.   ,     (  
 ),    .

7.    Linux-   Window System,   
           
 15 .  man-  date     -
   %.   (   clear) 
  .

8.    savefiles      -
 :

$ cat $HOME/bin/savefiles

#! /bin/bash

echo "      savethem."

 > savethem

for i in *

do

echo ": $i"

cat "$i"
done

)          ?
  ,     ,   -
       savethem.

)          
 ?     .

9.  info-  bash,   ,  -
 :

)   .

)     hash.

)  ,         .

10.    find   :

)      ,     .

)         1 .

)      core   ,  
  .

I    28.   Bourne Again Shell                                911