Refer to the session display figure for a clue. To bring a partially concealed window to the front of the root window without selecting from a menu, click on the window's frame with the left button. Iconifying a window Read this section with a grain of salt. While we don't encourage users to iconify windows, unless they are sure of the consequences, the more advanced users can definitely take advantage of this feature. We include this section more to help you deiconify than vice versa.
Icons are small graphical images.
Programs executing in an iconified window continue to execute until they finish or halt because they require input from you. A side-effect here is that you could obstruct the observing process by having a crucial window iconified and awaiting input. To iconify a window, first locate the minimize button. It is the small square immediately to the right of the title bar on the window frame. Refer to the session display figure.