Open recovery.c in your favorite text editor. Find and replace all instances of jread with Jread. Save recovery.c and exit the editor.

As soon as we save the file, the icon in the Explorer changes to a red minus icon.

This is the BK plugin telling us that this file has been modified and needs to be checked in. Which we'll get to in a minute. First let's make another change. This time, let's create a completely new file in our directory. Let's create a new file called foo.c and just put a little something in there. It doesn't matter what.

Create a new text file called foo.c.

Now we see that BK has marked our new file with a blue question mark, like this:

This is the BK plugin telling us that it doesn't know anything about this file. We don't need to tell BitKeeper about any new files we create unless and until we're ready to add them to our repository. You can happily work along in new files and add them to your repository when you're ready along with any other changes.