/[emacs]/emacs/etc/TUTORIAL
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revision 1.47 by rms, Sun Apr 7 18:56:34 2002 UTC revision 1.48 by rms, Mon Apr 22 07:50:23 2002 UTC
# Line 567  buffers that currently exist in your Ema Line 567  buffers that currently exist in your Ema
567    
568  >> Try C-x C-b now.  >> Try C-x C-b now.
569    
570  See how each buffer has a name, and it may also have a file name  See how each buffer has a name, and it may also have a file name for
571  for the file whose contents it holds.  Some buffers do not correspond  the file whose contents it holds.  ANY text you see in an Emacs window
 to files.  For example, the buffer named "*Buffer List*" does  
 not have any file.  It is the buffer which contains the buffer  
 list that was made by C-x C-b.  ANY text you see in an Emacs window  
572  is always part of some buffer.  is always part of some buffer.
573    
574  >> Type C-x 1 to get rid of the buffer list.  >> Type C-x 1 to get rid of the buffer list.
575    
576    When you have several buffers, only of of them is "current" at any
577    time.  That buffer is the one you edit.  If you want to edit another
578    buffer, you need to "switch" to it.  If you want to switch to a buffer
579    that corresponds to a file, you can do it by visiting the file again
580    with C-x C-f.  But there is an easier way: use the C-x b command.
581    In that command, you have to type the buffer's name.
582    
583    >> Type C-x b foo <Return> to go back to the buffer "foo" which holds
584       the text of the file "foo".  Then type C-x b TUTORIAL <Return>
585       to come back to this tutorial.
586    
587    Most of the time, the buffer's name is the same as the file name
588    (without the file directory part).  However, this is not always true.
589    The buffer list you make with C-x C-b always shows you the name of
590    every buffer.
591    
592    ANY text you see in an Emacs window is always part of some buffer.
593    Some buffers do not correspond to files.  For example, the buffer
594    named "*Buffer List*" does not have any file.  It is the buffer which
595    contains the buffer list that you made with C-x C-b.  The buffer named
596    "*Messages*" also does not correspond to any file; it contains the
597    messages that have appeared on the bottom line during your Emacs
598    session.
599    
600    >> Type C-x b *Messages* <Return> to look at the buffer of messages.
601       Then type C-b TUTORIAL <Return> to come back to this tutorial.
602    
603  If you make changes to the text of one file, then find another file,  If you make changes to the text of one file, then find another file,
604  this does not save the first file.  Its changes remain inside Emacs,  this does not save the first file.  Its changes remain inside Emacs,
605  in that file's buffer.  The creation or editing of the second file's  in that file's buffer.  The creation or editing of the second file's

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