Use of---VI for Linux articles

First, the foregoing

vi similar to Notepad, so with good notepad on the programming efficiency has a great impact, with a multiplier efficiency.

Second, the specific operation

1. Open File
Vim/path/to/somefile
Vim +#: Open the file and locate it on line #
Vim +: Open the file and navigate to the last line
Vim +/pattern: Open the file and navigate to the beginning of the line that was first matched to the PATTERN

2. Close the file
Last-line mode:
: Q Quit not moving files
: Wq Save and exit moved, no regrets
: q! Do not save and quit the move, I regret it.
: W Save
: w! Forcibly saved
: Wq---: X
ZZ: Save and exit do not require colon, edit mode

3. Full Screen editor
Mode:
edit Mode: Key with edit text function: Default on Enter edit mode
Input mode: The key itself means
Last-line mode: Accept user Command input
Edit--Input:
I: In front of the character of the current cursor, switch to input mode;
A: After the character of the current cursor, switch to input mode;

o: At the bottom of the current cursor line, create a new row and switch to input mode;
O: At the top of the current cursor line, create a new row and switch to input mode;
I: Converted to input mode at the beginning of the line at which the cursor is currently located
A: At the end of the line where the current cursor is located, convert to input mode
Input-to-edit:
Esc
Edit-to-last line:
：
Last line--edit:
ESC, ESC

4. Edit Mode
Move Cursor
character
h: Left; J: down; K: up; L: Right
Word
W: Move to the beginning of the next word
e: Jumps to the ending of the current or next word
B: Jump to the beginning of the current or previous word
in-line
0: The absolute beginning
^: first non-whitespace character at the beginning of a line
$: Absolute end of line
Between rows
G: End of article
3G: Line 3rd
GG: The beginning of the article
Flip Screen
ctrl:f,b

Delete & Replace a single character
x: Delete cursor position character
3x: Delete cursor start 3 characters
r: Replace cursor position character
Delete command: D
DW,DD
copy paste & Cut
Yw,yy
P
P
Undo & Redo
u undo
ctrl+r Redo undo Operation
. Repeat the previous step

Set: Setting
Set NU number
Set Nonu Nonumber
Set ReadOnly


/: Find
/after
N,n
？ Look up
！ : Execute command
:!ls-l/

s find and replace
S/str1/str2/gi
/: The first character of the adjacent S command is the boundary character:/,@,#
G: Replace all in one line
I: Ignore case
Range
N: Line number
.: Current Cursor Line
+n: Offset N rows
$: End line, $-3
%: Full text

Use of Linux---VI