Switching Between Insert Mode and Overwrite Mode

使用鼠标:

在「状态栏」上，点击用于指示当前模式的区域，可以切换到其他模式:

• Insert

  The text cursor is a blinking vertical line. Click on the area to activate the overwrite mode.

• Overwrite

  The overwrite mode is active. The text cursor is a blinking block. Click on the area to activate insert mode.