How to check in only file I created or modified on source co

Question

problem

cannot check in only file i created or modified on source control git ?

 

Hi i work on angular 7 project work on source control every time i finish my work

 

i do git push origon master

it push to all files on project and this may be damage some files on project that not updated

 

i need only to push to specific files i modify or created

 

Are this possible on git source control ?

 

what i have tried

 

git push origon master