Operating System full Playlist :
https://youtube.com/playlist?list=PLBV6VAQlom0ksKUQSQ1oVEMNwYBZPNRD

batch operating System :-
https://youtu.be/y7D2cxL5rQk

process & process states :-
https://youtu.be/bPkzvZ1g4L8

process control block
https://youtu.be/y2hPN4mGWy

inter process communication
https://youtu.be/ylpw8qnRSoI

context switching
https://youtu.be/NYc-Duo5nF0

types of scheduler
https://youtu.be/p8RCJQyATLw