- git status
- git add
- git rm
- git mv
- git add remote https://github.com/foonson/cpp.git
- git clone https://github.com/foonson/cpp.git
- git commit -m "20151024"
- git push origin master
- git checkout -p
- git pull
- git diff HEAD
gmake -f snake.mk
brew update
brew install gdb
http://www.patosai.com/blog/post/installing-gdb-on-mac-os-x-yosemite
codesign -s gdb-cert gdb