如何使iterm2向backspace发送Control-H，从而对所有的Linux shell都有效?

I had some problems with Terminal.app in OSX when my backspace key didn't have backspace behaviour. Basically, pressing backspace caused a delete instead. In Terminal you can fix this by going to Preferences/Settings/Advanced and ticking 'Delete sends Control-H' which works on all the servers that I SSH into.I had some problems with Terminal.app in OSX wh