[cs631apue] problem about hard link

[Jan Schaumann]

yluo4 <yluo4 at stevens.edu> wrote:
>   Thanks!  I think it's the editor-emacs that cause the problem,   
> because when I use the command 'echo >>' to change the contents of  
> name1, the two will change. But when I use 'emacs' to change the  
> contents of name1, name2 doesn't change.

Are you sure you are writing your changes to the file?  Just opening a
file in emacs (or any other editor) wouldn't cause your changes to be
written to the file.

echo moo > file1
ln file1 file2
emacs file2
[edit]
C-x C-s	# actually write and exit
cat file2

-Jan