[user02@FC4 Lesson02]$ cat -n syntax.cpp

   1  #include <iostream>
   2  using namespace std;
   3
   4  int main()
   5  {
   6     cout << Use quotes around messages\n;
   7
   8     return 0;
   9  }
  10

[user02@FC4 Lesson02]$ g++ -o syntax syntax.cpp
syntax.cpp:6: error: stray ?e\?f in program
syntax.cpp: In function ?eint main()?f:
syntax.cpp:6: error: ?eUse?f was not declared in this scope
syntax.cpp:6: error: expected `;' before ?equotes?f

---

[user02@FC4 Lesson02]$ cat -n syntax2.cpp

   1  #include <iostream>
   2  using namespace std;
   3
   4  int main()
   5  {
   6     cout << "Use quotes around messages\n";
   7
   8     return 0;
   9  }

[user02@FC4 Lesson02]$ g++ -o syntax2 syntax2.cpp
[user02@FC4 Lesson02]$ ./syntax2
Use quotes around messages
[user02@FC4 Lesson02]$

---

Using endl rather than \n.

   1  #include <iostream>
   2  using namespace std;
   3
   4  int main()
   5  {
   6     cout << Use quotes around messages << endl;
   7
   8     return 0;
   9  }

   1  #include <iostream>
   2  using namespace std;
   3
   4  int main()
   5  {
   6     cout << "Use quotes around messages" << endl;
   7
   8     return 0;
   9  }