Emacs

GNU Emacs is an extensible, customizable text editor

Keyboard shortcuts

Command	Shortcut
Open file	Ctrl+x Ctrl+f
Save file	Ctrl+x Ctrl+s
Select	Shift + cursor keys
Select	Ctrl+space and cursor keys
Copy	Alt+w
Cut	Ctrl+w
Paste	Ctrl+y
Undo	Ctrl+x u
Save	Ctrl+x Ctrl+s
Previous buffer	Ctrl+x left cursor
Next buffer	Ctrl+x right cursor
Close current buffer	Ctrl+x k
Close buffer list	Ctrl+x 1
Quit	Ctrl+x Ctrl+c

Zenburn

https://github.com/bbatsov/zenburn-emacs

Download zenburn-theme.el to the directory ~/.emacs.d/themes/. zenburn-theme.el

Add this to your .emacs:

(add-to-list 'custom-theme-load-path "~/.emacs.d/themes/")

cd /tmp
git clone https://github.com/bbatsov/zenburn-emacs.git
cd zenburn-emacs
mkdir -p ~/.emacs.d/themes/
cp zenburn-theme.el ~/.emacs.d/themes/
echo "(add-to-list 'custom-theme-load-path \"~/.emacs.d/themes/\")" >> ~/.emacs
echo "(load-theme 'zenburn)" >> ~/.emacs

CC mode

http://downloads.sourceforge.net/project/cc-mode/cc-mode/5.32.5/cc-mode-5.32.5.tar.gz

cp Downloads/cc-mode-5.32.5.tar.gz /tmp
tar xvzf cc-mode-5.32.5.tar.gz
emacs -batch -no-site-file -q -f batch-byte-compile cc-*.el
cp *.elc ~/.emacs.d/
echo "(require 'cc-mode)" >> ~/.emacs
emacs
alt+x c-version

CSharp mode

Requires CC mode

http://code.google.com/p/csharpmode/downloads/detail?name=csharp-mode-0.8.5.el&can=2&q=

csharp-mode-0.8.5.el

cp Downloads/csharp-mode-0.8.5.el ~/.emacs.d/csharp-mode.el
echo "(require 'csharp-mode)" >> ~/.emacs

Add to ~/.emacs

(setq load-path (cons "~/.emacs.d" load-path))
(autoload 'csharp-mode "csharp-mode" "Major mode for editing C# code." t)
(setq auto-mode-alist
      (append '(("\\.cs$" . csharp-mode)) auto-mode-alist))
(require 'cc-mode)
(require 'csharp-mode)