Thanks for helping everybody.

But actually I'm using Bourne shell on FreeBSD 6.1 just like the
Solaris in lab, and the FreeBSD is freshly installed, I have checked
.shrc and .profile, but nothing related to key bindings or stty's
there, so what I thought it should be is:

after I login -> [press backspace] -> ^H appears -> [press DEL] -> ^? appears
in emacs -> [press backspace] -> oops, help appears

I think Solaris was just like the above. But in my FreeBSD, things go like:

after I login -> [press backspace will erase last char] -> [press DEL
does the same thing]
no matter what have I done to "stty" like "stty erase ^H" and "stty
erase2 ^H", the result is just the same, backspace and DEL still can
be used to erase last char in shell. The only difference is in emacs,
but I searched the net and found that emacs relies on its own
definition of key bindings in ~/.emacs file (it is empty in this
case), rather than the terminal key bindings. Totally confused.

Any idea? Thanks again for you kind people.

2007/8/13, Jerry McAllister <[EMAIL PROTECTED]>:
> On Sun, Aug 12, 2007 at 01:31:36PM -0500, Derek Ragona wrote:
> > At 10:54 PM 8/11/2007, d.Z. wrote:
> > >Hello,
> > >
> > >I'm a new user to FreeBSD and Unix. I used Solaris 10 last week in
> > >lab, and found there is a difference between them.
> > >
> > >When Solaris is installed, press backspace will give you ^H, you'll
> > >have to "stty erase ^H" to solve this problem. But with FreeBSD 6.1,
> > >when first installed, backspace is always bounded to erase last
> > >character, even I have "stty erase ^?" and "stty erase2 ^?", backspace
> > >still deletes last character input. Does any body know why is this
> > >happening?
> >
> > Solaris by default uses csh for user accounts.  The backspace key
> > assignment and for that matter, all key assignments are dependent on the
> > both the shell and terminal definition.  Reassigning keys is typical for
> > your shell's startup profile file .cshrc for csh and .bashrc for bash.
> >
> >
> > >And strange thing is with default setting (before stty erase and
> > >erase2 to ^?), when I use Emacs, C-h will give me back space, instead
> > >of help. I know this is desirable for experts, but I'm really new so
> > >just want to follow the instruction first.
> >
> > Applications like the shell you use interpret the terminal definition and
> > may or may not use the same key assignments.  Most applications like the
> > shells in UNIX environments have startup files to customize the key
> > assignments and in the case of editors even define macros.
> And those startup files are:
>    For csh and tcsh  (tcsh is the most common one in FreeBSD)
>    the startup file is .cshrc  in one's home directory.  You can also
>    create a system-wide one.
>    For SH and bash it is .profile  and for them don't forget to export
>    any variables.
> ////jerry
> >
> > Hope this helps.
> >
> >         -Derek
> >
> > --
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