I have a .rbw application. I only want it to open a command window/terminal under certain circumstances, such as if there are error messages, or if it needs user input. Otherwise, I don't want to display the window. How can I get my ruby script to open up a new command window and then read from it or write to it? Also, can I open multiple command windows and read/write to a specific command window? --Alex -- Posted via http://www.ruby-forum.com/.