[user02@FC4 Lesson10]$ cat -n show_msg.cpp

   1  #include <iostream>
   2  using namespace std;
   3
   4  void show_message()
   5  {
   6     cout << "Hello, I've been Rescued by C++" << endl;
   7  }
   8
   9  int main()
  10  {
  11     cout << "About to call the function" << endl;
  12     show_message();
  13     cout << "Back from the function" << endl;
  14
  15     return 0;
  16  }

[user02@FC4 Lesson10]$ g++ -o show_msg show_msg.cpp
[user02@FC4 Lesson10]$ ./show_msg
About to call the function
Hello, I've been Rescued by C++
Back from the function
[user02@FC4 Lesson10]$