Slow to start up, to open programs and, tragically, to respond to finger taps.
This key combination summons a set of icons that shows all the open programs and windows.
Adding memory to the computer or quitting other open programs while using Word may also help.
Pressing the Control, Command and Eject keys closes all your open programs and restarts the Mac, while pressing the Control, Option, Command and Eject keys together closes all open programs and shuts down the Mac.
The program fills the screen, hiding the desktop interface as well as windows from any other open programs.
That is, it displays the icons for both open programs and those you've dragged there for quick access.
Swipe up with three fingers to open Mission Control, a clickable constellation of thumbnails that show all open programs and windows.
Mac OS X users can switch between open programs by holding down the Command key and pressing Tab to advance through the icons.
"At Insead, both customized programs and open programs have grown fast in the last two years, particularly in Japan," said Mr. Majanen of Insead.
You can open programs ("open Firefox"), pick menu commands, click Web links, move the cursor, format text ("italicize 'The New York Times' ") and so on.
Pressing Command-Tab to cycle between open programs now summons a floating row of software icons, much as Alt-Tab does in Windows.
