(setq default-tab-width 4)
(setq c-default-style "linux")
(setq c-basic-offset 4)
(global-linum-mode 1)

(add-hook 'c-mode-common-hook 'hs-minor-mode)
(global-set-key [f9] 'hs-toggle-hiding)

theme
sudo add-apt-repository ppa:noobslab/themes  
sudo apt-get update  
sudo apt-get install flatabulous-theme


icons
sudo add-apt-repository ppa:noobslab/icons  
sudo apt-get update  
sudo apt-get install ultra-flat-icons