----------------------------------- about reademe ----------------------------------- 1. new git dir: learngit; 2. cd learngit; 3. git init; 4. touch readme.txt; 5. vi readme.txt; 6. so,we are here; ---------------------------------- about git ---------------------------------- 1. git is a distributed version control system; 2. git is a free software; 3. git is developed by linus; 4. git has a matable index called stage; ---------------------------------- how git works ---------------------------------- 1. git tracks changes;