Useful GIT commands

Install GIT on your PC.

First thing you need to do is customize git environment.

$ git config --global user.name "Dasun"
$ git config --global user.email hmdtharaka@gmail.com

Now it is the time for your first commit...

Create a file called main.cpp. On the same directory do basic commands using Git bash.

$ git status
$ git add main.cpp
$ git commit -m "First commit"

Now I modify main.cpp content and do a commit over same branch. Still this is master.

$ git status
$ git add main.cpp
$ git commit -m "changed in main.cpp"

Now we need to do certain changes in main.cpp but we are not sure about these changes. Hence I create different branch and do my testing there.

$ git branch dev
$ git checkout dev

Suppose, I do several commits on this branch. Now I am confident that my testing was fine. Hence I need to merge these changes with original and I did my change liner. This is what we called fast forwarding. 

Now we need to do certain changes in main.cpp but we are not sure about these changes. Hence I create differen