title: fatal error: iostream.h: No such file or directory
body: <p>I am using GCC 4.6.3:</p>
  
  <pre><code>gourab@gourab-RV509:~$ g++ --version
  g++ (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3
  </code></pre>
  
  <p>My program results in the following compilation error:</p>
  
  <pre><code>gourab@gourab-RV509:~$ g++ ArrayInput.cpp
  ArrayInput.cpp:1:21: fatal error: iostream.h: No such file or directory
  </code></pre>
  
  <p>How can I fix it?</p>