(setq make-backup-files nil)
(setq inhibit-startup-screen t)
(setq backup-inhibited t)
(setq auto-save-default nil)
(setq create-lockfiles nil)

(global-set-key (kbd "C-x C-C") 'kill-emacs)
(global-set-key (kbd "TAB") 'self-insert-command)
(global-set-key (kbd "DEL") 'delete-backward-char)

(add-hook 'after-change-major-mode-hook (lambda () (local-set-key (kbd "DEL") 'delete-backward-char)))