$ cat readi no quote
echo -n ", : "
read firstline
echo : $firstline

$ readl_no_quote

, : *

: readi readl_no_quote script.1

$ Is

readi   readl_no_quote   script.1

 Is     ,   , ,  
        .  
$firstline    ,    . -
  readi   :

$ readi

, : *
: *

 ,      , 
 .

 read2         
command.     ,  $ command  
.          -
      :

$ cat read2

echo -n " : "
read command
$ command
echo 

    read2      -
  echo.    ,     .
 read2   ,   who:

$ read2
 : echo    .

   .



$ read2

Enter a command: who

alex      pts/4        Jun 17 07:50 (:0.0)

scott     pts/12       Jun 17 11:54  (bravo.tcorp.com)



  read3     .  
read      ( 
):

$ cat read3

echo -n " -: "
read wordi word2 word3
echo " 1: $wordl"

 9.  II: Bourne Again Shell                                            309