Linux VI Editor

1 , command-line mode ) function keys
a ). Insert mode

I : Start typing text at the cursor's current position

I : Enter the file at the beginning of the current line

A : Enter text from the next position where the cursor is currently located

A : Enter the file at the end of the current line;

o insert a new line and enter text from the beginning of the beginning.

O : A new line is opened above the current row;

S: replaces the specified number of characters with the input text starting at the current cursor position
S: Deletes the specified number of rows and replaces them with the input text
b ). Move Cursor
VI can be directly on the keyboard with the cursor to move up and down, but the normal vi is the lowercase English letter H J k L, respectively, control the cursor left, bottom, upper and right one grid.

Space cursor moves right one character
Backspace: Cursor moves left one character

Enter : Move the cursor down one line

Ctrl+b: Screen moves to " back " one page

Ctrl+f: Screen to " front " move one page

Ctrl+u: The screen moves half a page toward " rear "

Ctrl+d: Screen moves half page toward " front "

number 0: Move the cursor to the current line

$: Cursor moves to the end of the current line

n$: Cursor moves to end of nth line

GG: Number plus GG means to navigate to the row of numeric rows

Ctrl+g Lists the line number of the line where the cursor is located

^: Move to the line of the cursor where the " beginning of non-empty word prompt "
W: Cursor to the beginning of the next word jump
E: The cursor jumps to the end of the next word
b: The cursor goes back to the beginning of the last word

) : Move the cursor to the beginning of the paragraph

(: Cursor moves to end of paragraph
}: Cursor moves to the beginning of the paragraph
{ : Move the cursor to the end of the paragraph
N+: Cursor down n line (equivalent to n<enter>< Span style= "font-family: ' The song Body '; >)
N-: Move cursor up n line
H : Cursor moves to the middle line of the screen
L : The cursor moves to the last line of the screen
c . delete text
X: Delete one character at the cursor position each time you press it.

X: Uppercase X" : Delete to end of line
D . copy
Yy: Copy the row of the cursor to the buffer.
P: Paste the characters in the buffer to the cursor location
e replace
R : The character at which the cursor is replaced
R: Replace the character where the cursor is, until you press ESC

F ). Redo the last action
U: If you mistakenly execute a command, you can press U immediately togo back to the previous operation. multiple replies can be performed by multiple "U"

2 , last line mode about the next command
a) list line numbers
: Set Nu: line number listed before each line

: Set Nonu: To cancel line number

b) jump to a line in the file
#:# indicates a number, enter a number after the colon, and then press ENTER to jump to that line.

c) Find characters
/ Keyword: If the first keyword is not what you want, you can always press N to find the keyword you want.
? Keywords : If the first keyword is not what you want, you can always press N to look forward to the keyword you want .

Linux VI Editor