Bare Bones Emacs

.emacs

; disable auto-save, auto-backup and interlock
(setq auto-save-default nil)
(setq make-backup-files nil)
(setq create-lockfiles nil)

; automatically reload files was modified by external program
(global-auto-revert-mode 1)

; show matching parens
(show-paren-mode 1)

; global subword mode
(global-subword-mode 1)

; instead of ctrl+j
(global-set-key (kbd "RET") 'newline-and-indent)

; y or n is always enough
(defalias 'yes-or-no-p 'y-or-n-p)

; set tab spaces instead of tabs
(setq-default indent-tabs-mode nil)

; set tab width
(setq tab-width 4)
(setq c-basic-offset 4)
(setq tab-width 8 indent-tabs-mode nil)

; remove trailing whitespace from the entire buffer
(add-hook 'before-save-hook 'delete-trailing-whitespace)

; highlight current line
(global-hl-line-mode t)
(set-face-background 'hl-line "#ffaa88")