You can select, copy, cut, and paste text in command mode. Position the cursor at the left or right side of the text you want to copy and press the v key. Move your cursor to select text, and then ...

Perhaps we've got a text file with a single sentence in it: "The quick brown fox jumped over the lazy dog." In this text file, I'd like to replace the word "brown" with "white." To do that, I'll first ...