![Vimcasts show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/040/362/small/vimcasts.png)
Summary: When writing code, we can often save time by duplicating a line then changing one or two parts of that line to make it suit our purposes. In this episode, we'll compare a few techniques for duplicating lines, and we'll see that the `:copy` Ex command is well suited to this task.