$ git clone https://github.com/chhu0830/env
$ cd env && ./install/env.sh
- <F2>: run [argv]
- <F3>: compile & run [argv]
- <F4>: git add all open file & git commit msg
- <F5>: CopyPasteToggle
- <F6>: NerdTree
- <F8>: set text width
- <F9>: move tab to the left
- <F10>: move tab to the right
- <F11>: switch to the left tab
- <F12>: switch to the right tab