Linux introduction and Common commands using the 3--VI editor

1. order to enter VI

VI FileName: Opens or creates a new file and places the cursor at the beginning of the first line "new file"
VI +n FileName: Open the file and place the cursor at the beginning of the nth line "For example: the number of rows for a shell error"
VI + FileName: Open the file and place the cursor at the end of the line "append function"
VI +/pattern FileName: Opens the file and places the cursor at the first string that matches the pattern
"Vi +/.com makaidong" "Vi +/is Makaidong"

Insert input Press once: Overwrite override "Replace"
: w: Save current file
: Wq: Save and exit the current file
: x: Save current file and exit
: q!: Do not save file and Exit VI

2. Move Cursor Class command "All in non-insert cases"

: Set number Displays line numbers
Backspace: Delete cursor to the left
Delete: Remove cursor to the right
K or ctrl+p: Move the cursor up one line
J or CTRL + N: Move the cursor down one line
Enter: Move the cursor down one line
W or W: Move the cursor right one word to the beginning of the word
B or B: The cursor moves left one word to the beginning of the word
E or E: Move the cursor right one word to the end of the word
End: Move cursor to end of sentence $
Home: Cursor moves to sentence 0: (note is number 0)
PageUp: Prev
PageDown: Next Page
NG: Cursor moves to the beginning of nth
n+: The cursor moves down n rows
N: Move the cursor up n rows
H: Move the cursor to the top row of the screen
M: Move the cursor to the middle line of the screen
L: The cursor moves to the last line of the screen

3. Screen Tumbling Class command

Ctrl+u: First half screen "up" to file
Ctrl+d: Half screen "down" to the end of the file
Ctrl+f: Turn one screen to the end of the file "down"
Ctrl+b to the top of the file.

4. Delete command

DD Delete Bank
NDD: Deletes the current line and its subsequent n-1 rows
YY Copy Bank
P Paste

5. Search and Replace commands

/pattern: Searches for pattern at the end of the file from the beginning of the cursor
? pattern: Searches for pattern from the beginning of the cursor to the top of the file
N: Repeat the last search command "Next" in the same direction
N: Repeat the previous search command in the opposite direction "reverse previous"
: s/p1/p2/g: Replaces all P1 in the current row with P2
: n1,n2s/p1/p2/g: All P1 in line N1 to N2 are replaced with P2 ": 2,7s/ma/ma666/g"
: g/p1/s//p2/g: Replace all P1 in the file with P2 ": g/ma/s//ma5555/g"
G/makaidong/s//macaihong/g
G/macaihong/s//makaidong/g

5. Line Mode command

: N1,N2 CO N3: Copy the contents of the N1 line to the N2 line under the N3 line "similar to copy copy: 2,3 Co 10"
: n1,n2 m N3: Moves the contents of the N1 line to the N2 line below the N3 line "move similar to clip: 2,3 m 18"
: n1,n2 D: N1 The contents of rows to n2 delete delete ": 6,8 D"

Linux introduction and Common commands using the 3--VI editor