The command yy (yank yank) is used to copy a line. Move the cursor to the line you want to copy and then press yy. paste. p. The p command paste a copied or cut content after the current line.

What is the use of Yank and put command?

To copy a line requires two commands: yy or Y (“yank”) and either p (“put below”) or P (“put above”). Note that Y does the same thing as yy . To yank one line, position the cursor anywhere on the line and type yy . Now move the cursor to the line above where you want the yanked line to be put (copied), and type p .

What is yank in vi?

The vi yy command “yanks” the current line into the vi general buffer. That is, it copies the line for you to put into the file immediately. The vi p and P commands “put” the line back into the file just after (p) or just before (P) the line on which the cursor is resting.