REM - Put a comment in a batch file

 Purpose:    Put a comment in a batch file. 
             
 Format:     REM [comment ] 
             
             comment :  The text to include in the batch file. 
 

 Usage 

 The REM command lets you place a remark or comment in a batch file. 
  Batch file comments are useful for documenting the purpose of a batch 
 file and the procedures you have used. 

 REM must be followed by a space or tab character and then your comment. 
  Comments can be up to 1023 characters long.  CMD.EXE will normally 
 ignore everything on the line after the REM command, including quote 
 characters, redirection symbols, and other commands (see below for the 
 exception to this rule). 

 If ECHO is ON, the comment is displayed.  Otherwise, it is ignored.  If 
 ECHO is ON and you don't want to display the line, preface the REM 
 command with an at sign [@]. 

 You can also place a comment in a batch file by starting the comment line 
 with two colons [::].  In essence this creates a batch file "label" 
 without a valid label name.  Such comments are processed slightly faster 
 than those entered with REM, because they do not require the command 
 processor to handle a command. 

 You can use REM to create a zero-byte file if you use a redirection 
 symbol after the REM command.  No text is permitted between the REM 
 command and the redirection symbol.  For example, to create the zero-byte 
 file C:\FOO : 

 
         [c:\] rem > foo
 

 (This capability is included for compatibility with CMD.EXE.  A simpler 
 method for creating a zero-byte file with CMD.EXE is to use >filename as 
 a command, with no actual command before the [>] redirection character.)