The Fedora Core 3 version of the vi-clone text editor vim let you use the backspace key to delete the character you just typed, just like an old-style keyboard/typewriter.
In Fedora Core 4 the default is that the backspace key is the same as Ctrl-H, like on an old style teletype. To fix this, it's necessary to edit the ~/.vimrc file, adding the line:
inoremap ^? ^H
Actually, to type that using vim, you press the keys:
inoremap Ctrl-V Ctrl-Shift-? Ctrl-V Ctrl-h
as Ctrl-V means: insert the next key I press literally, dummy.
This makes vim behave the way it should in insert mode: Pressing the backspace key (or Ctrl-H) deletes the character you just typed.
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