the difference

Question

what is the difference between system(“pause”); and return 0;?

Answer 1

[geeksforgeeks - system call (Windows)]
https://www.cdn.geeksforgeeks.org/system-call-in-c/

[GIDNetwork - Notice on system("pause") usage]
http://www.gidnetwork.com/b-61.html

[Reference - C++ return statement]
http://en.cppreference.com/w/cpp/language/return

[Quora - return statement in C language]
https://www.quora.com/What-is-the-use-of-return-statement-in-C-What-is-its-importance

Hth, cmiiw