Overstrike Mode
The Insert key (often abbreviated Ins) is a key commonly found on computer keyboards. It is primarily used to switch between the two text-entering Mode (user interface), modes on a personal computer (PC) or word processor: * overtype mode, in which the cursor (computers), cursor, when typing, overwrites any text that is present in the current location; and * insert mode, where the cursor inserts a character (computing), character at its current position, forcing all characters past it one position further. The insert/overtype mode toggling is not global for the computer or even for a single application but rather local to the text input window in which the Insert key was pressed. Overview On early text-based computing environments and computer terminal, terminals, when the cursor is in overtype mode, it was represented as a block that surrounded the entire letter to be overstruck; when in insert mode, the cursor consisted of the vertical bar that is highly common among moder ...
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