overwritemode
Overwritemode is a mode in text editing software where typed characters replace existing characters to the right of the cursor instead of being inserted at the cursor position. When enabled, each keystroke overwrites the character currently under the cursor and then moves the cursor forward by one position.
In overwritemode, typing a character does not increase the length of the document; it replaces the character
The mode is commonly toggled on and off, often via the Insert key or a status indicator
Usage and implications: overwritemode can be useful for fixed-width editing, quick corrections, or when exact character
See also: insert mode, overstrike, insert key, text editor conventions.