title: Defining plot windows in advance
body: <p>I'm a newbie in R. I just finished an elementary course on R and didn't have much training in graphic issues.
  Is there a command to define as many graphical windows as needed in advance?</p>
  
  <p>I found plots are overwritten when using console (not in RStudio) when a new plot is issued, unless I add <code>dev.new()</code> as a command before each plot command (whatever the type: <code>matplot</code>, <code>hist</code>, <code>boxplot</code>, <code>qqnorm</code>, etc).</p>
  
  <p>Notice I don't like multiple graphs in a single device, like those obtained with <code>par(mfrow)</code> or <code>split.screen</code>. I just want new devices to be setup at the beginning of my script to overcome the need to repeat <code>dev.new()</code> each time a plot will be issued.</p>