Always create pull request before adding any new feature.

[fluffybeing]

Use git tools properly.

$ git branch #check current branch
# now you want to add feature let say 'os call', so now create a branch for it
$ git checkout -b os-call
# now make changes and commit your code and push it to `os-call` branch
$ git push origin os-call
# now you will some notification on your github project page about creating a pull request.

read more about it from git-scm.

[SaptakS]

yes sir. Done accordingly.

[apexkid]

@rahulrrixe Verify please.

@SaptakS cut the "sir"