Remote code execution(RCE)

Hey any one tell me how i learn remote code execution i try tu search hard on google and youtube but not found any strong stuff how i find
remote code execution ?
I read book but there i no topic or content about
remote code execution. Will u tell me how i learn it plzz tell me basic or intermediate level of
remote code execution tell me tools or place on which place of website it easily find
Or tell me resources where i learn remote code execution
Thank you


Maybe google “remote code execution” and read everything related to it that you get as results until you get an idea about what it is.