http://www.kuqin.com/linux/20091118/73768.html
backupspace和delete键的修改：
http://www.linuxso.com/linuxrumen/17868.html
home|end|pageup|pagedown键的修改，测试不好用
http://www.kuqin.com/linux/20091118/73768.html
backupspace和delete键的修改：
http://www.linuxso.com/linuxrumen/17868.html
home|end|pageup|pagedown键的修改，测试不好用