To change command prompt window Edit Options settings
Open Command Prompt
Right-click the title bar, and do one of the following:
To change this setting for all command prompt windows, click Defaults.
To change this setting for the current command prompt window only, click Properties.
On the Options tab, under Edit Options:
Select the QuickEdit Mode check box to use a mouse to cut and paste in the command prompt window.
Select the Insert Mode check box to insert text at the cursor (and push subsequent characters to the right), rather than overwrite characters to the right of the cursor.
Select the AutoComplete check box to use the TAB key to cycle through the available items in the current directory.
To open command prompt, click Start, point to All Programs, point to Accessories, and then click Command Prompt.