a small square in the upper right corner of a window which, when clicked, will expand the window to fill the whole screen.

the small square at the lower right corner of a window which, when dragged, resizes the window.

the disk containing system software and is designated to be used to start the computer.

how long it takes to locate a file.

a message that appears on screen, usually to tell you something went wrong.

on the left side of the screen header. System 6 = desk accessories System 7 = up to 50 items.

on the right side of the screen header. Lists running applications.

part of the multitasking capability. A program can run and perform tasks in the background while another program is being used in the foreground.

a copy of a file or disk you make for archiving purposes.

a programming error that causes a program to behave in an unexpected way.