Fedora Linux

d, followed by a cursor movement	Delete from the cursor position to the indicated position.	dj deletes the current line and the line below; dw deletes one word.
dd	Deletes a line.	dd deletes the current line; 15dd deletes 15 lines.
y, followed by a cursor movement	Yank from the cursor position to the indicated position.	yj yanks the current line and the line below; yw yanks one word.
yy	Yanks a line.	yy yanks the current line; 15yy yanks 15 lines.
p	Puts yanked or deleted text after the cursor. If the text contains any partial lines, it is inserted directly after the cursor; otherwise, it is inserted starting on the next line.	p puts one copy of the yanked text into the document after the cursor; 20p puts 20 copies of the yanked text after the cursor.
P	Puts yanked or deleted text before the cursor. If the text contains any partial lines, it is inserted directly before the cursor; otherwise, it is inserted on the previous line.	P puts one copy of the yanked text into the document before the cursor; 20P puts 20 copies of the yanked text before the cursor.

4.4.1.5. Searching

Typing / followed by some text (actually, a regular expression) and pressing Enter will search forward in the document. Typing n will repeat the previous search in the forward direction. Typing ? instead of / will search backward instead of forward; N will repeat a search backward.

Searching can be combined with deleting and yanking; for example, d/hello will delete from the cursor position up to the start of the word hello .

4.4.1.6. Undoing, redoing, and repeating

Pressing u will undo the last operation performed; pressing Ctrl-R will redo it. Typing a dot ( . ) will repeat the last operation.

4.4.1.7. Saving and exiting

There are a number of commands available for saving the document and exiting vi , as shown in Table 4-10 ; you must press Enter after these commands.

Table 4-10. Saving text and exiting vi

Command	Description
:w	Write (save) using the current filename.
:w newfilename	Write to the file newfilename (subsequent :w commands will still write to the original filename).
:w!	Force-write (write even if in read-only mode).
:q	Quit (succeeds only if the document is saved).
:q!	Force quit even if the document isn't saved (abort!).
:wq or :x or ZZ	Write and quit (exit with save).

4.4.2. How Does It Work?

vi is one of a group of programs that uses a terminal-control system called curses. curses enables an application to manage a character-mode display by positioning the cursor and interpreting keystrokes using a database of information about