การใช้งาน vi editor บน unix

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vi editor unixMay 2nd, 2011 | 10 Comments

Vi (What is vi?)Vi (visual editor) editor Unix editor UNIX vi editor 2 :Command mode 1. Insert mode (Escape) insert

2.

NOTE:

UNIX vi case-sensitive. ()

vi (Start vi) vi

* vi filename edit filename starting at line 1

vi -r filename recover filename that was being edited when system crashed

vi editor unix | Oracle DBA & All IT http://oracle.jookku.com/2011/05/vi/

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vi (Exit vi) vi Note: (:) cursor (or )

* quit vi, writing out modified file to file named in original invocation

:wq quit vi, writing out modified file to file named in original invocation

:q quit (or exit) vi

* :q! quit vi even though latest changes have not been saved for this vi call

cursor vi (Moving the Cursor) vi mouse cursor pc l ^

*j or [or down-arrow] move cursor down one line

* k [or up-arrow] move cursor up one line

*h or [or left-arrow] move cursor left one character


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*l or [or right-arrow] move cursor right one character

* 0 (zero) move cursor to start of current line (the one with the cursor)

* $ move cursor to end of current line

w move cursor to beginning of next word

b move cursor back to beginning of preceding word

:0 or 1G move cursor to first line in file

:n or nG move cursor to line n

:$ or G move cursor to last line in file

(Screen Manipulation)

^f move forward one screen

^b move backward one screen

^d move down (forward) one half screen

^u move up (back) one half screen

^l redraws the screen


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^r redraws the screen, removing deleted lines

, (Adding, Changing, and Deleting Text) 1 step

* u UNDO WHATEVER YOU JUST DID; a simple toggle

(Inserting or Adding Text) insert insert

* i insert text before cursor, until hit

I insert text at beginning of current line, until hit

* a append text after cursor, until hit

A append text to end of current line, until hit

* o open and put text in a new line below current line, until hit

* O open and put text in a new line above current line, until hit


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(Changing Text)

* r replace single character under cursor (no needed)

R replace characters, starting with current cursor position, until hit

cwchange the current word with new text,starting with the character under cursor, until hit

cNw change N words beginning with character under cursor, until hit; e.g., c5w changes 5 words

C change (replace) the characters in the current line, until hit

cc change (replace) the entire current line, stopping when is hit

Ncc or cNc change (replace) the next N lines, starting with the current line,stopping when is hit

(Deleting Text)

* x delete single character under cursor

Nx delete N characters, starting with character under cursor


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dw delete the single word beginning with character under cursor

dNw delete N words beginning with character under cursor; e.g., d5w deletes 5 words

D delete the remainder of the line, starting with current cursor position

* dd delete entire current line

Ndd or dNd delete N lines, beginning with the current line; e.g., 5dd deletes 5 lines

(Cutting and Pasting Text)

yy copy (yank, cut) the current line into the buffer

Nyy or yNy copy (yank, cut) the next N lines, including the current line, into the buffer

p put (paste) the line(s) in the buffer into the text after the current line

(Other Commands) (Searching Text)


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/string search forward for occurrence of string in text

?string search backward for occurrence of string in text

n move to next occurrence of search string

N move to next occurrence of search string in opposite direction

(Determining Line Numbers) ,

:.= returns line number of current line at bottom of screen

:= returns the total number of lines at bottom of screen

^g provides the current line number, along with the total number of lines,in the file at the bottom of the screen

(Saving and Reading Files)

:r filename read file named filename and insert after current line(the line with cursor)

:w write current contents to file named in original vi call


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:w newfile write current contents to a new file named newfile

:12,35w smallfile write the contents of the lines numbered 12 through 35 to a new file namedsmallfile

:w! prevfile write current contents over a pre-existing file named prevfile

.. Preview : 7245

Related Search:

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Written by DBAor

" " -- forum --Visit DBAor's Website

Filed under: Programming, Unix Tags: command line, editor, linux, sun, unix, vi, visual editor

10 Responses to " vi editor unix"

Mozelle says:May 4, 2011 at 20:57

Added, I enjoy your site! Reply

Luella says:1.

1.


9 of 13 4/8/2014 6:37 AM

August 9, 2011 at 13:26

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Agatha says:August 9, 2011 at 22:39

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2.

Wesc Oboe Schwarz says:July 7, 2011 at 02:58

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Reply

Bubba says:August 9, 2011 at 02:09

Just cause its silmpe doesnt mean its not super helpful.

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1.

Jenn says:August 9, 2011 at 22:26

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Wava says:July 7, 2011 at 03:11

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Lilly says:August 8, 2011 at 20:11

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Lorren says:August 8, 2011 at 23:41

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10 of 13 4/8/2014 6:37 AM

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Katherine says:August 9, 2011 at 20:36

Your article was excellent and eruitde.

Reply

5.

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