Write a Hello World C++ program in linux

Writing a hello world C++ program in linux is easy. Here are the step

1. Create a file with cpp extension. Let’s call it program.cpp
2. write some code in the file we created in previous step
3. compile, build and link
4. Run the program

#include <iostream>
using namespace std;
int main ()
{
  cout << "Hello World! ";
  cout << "I'm a C++ program";
  return 0;
}
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