linux文件编辑vi命令详解Linux file editor VI command detailedWord格式文档下载.docx

linux文件编辑vi命令详解Linux file editor VI command detailedWord格式文档下载.docx

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2,thebasicoperationofVI

A）enterVI

AfterthesystempromptsymbolentersVIandfilename,entertheVIfullscreeneditscreen:

$VImyfile

ButonethingtopayspecialattentiontoisthatafteryouenterVI,youareinthemode（command）,andyouhavetoswitchtoInsertmodetoenterthetext.ThefirstuseofVIpeoplewillwanttousethearrowkeystomovethecursor,thecomputerhasbeencalledbleep,hismad,soafterenteringtheVI,thefirstnottomoveinto"

insertmode（Insertmode）"

!

B）switchtoinsertmode（Insertmode）toeditthefile

Underthecommandlinemode（commandmode）,presstheletter"

I"

toenter"

Insertmode"

thenyoucanstarttyping.

C）Insertswitching

Youarecurrentlyinthe"

mode,andyoucanonlyenterthetextallthetime,ifyoufindthewrongword!

Ifyouwanttomovebackwiththecursorkeys,deletethewordfirst,presstheESCkey,gotocommandlinemode（commandmode）,andthendeletethetext.

D）quitVIandsavethefile

Inthecommandlinemode（commandmode）,click"

:

"

thecolonkeyenters"

Lastlinemode"

forexample:

Wfilename（enter"

Wfilename"

）savethearticleasthespecifiedfilenamefilename.）

WQ（enterWQ,saveandexitVI）

q!

（enterQ,donotsave,forceVI）

3,commandlinemode（commandmode）functionkeys

1）insertmode

Press"

toswitchtoinsertmode"

insertmode"

press"

toentertheinsertmode,thenstartthefilefromthecurrentpositionofthecursor;

Whenyoupressatoentertheinsertmode,enterthetextfromthenextpositioninthecurrentcursor;

Accordingtothe"

O"

intotheinsertmode,istoinsertanewline,startingfromtheinputtext.

2）switchfrominsertmodetocommandlinemode

Pressthe"

ESC"

key.

3）movecursor

VIcanmovedirectlyupanddownwiththecursoronthekeyboard,buttheregularVIuseslowercaseEnglishletters"

H"

"

J"

K"

L"

respectively,tocontrolthecursor,left,bottom,topandright.

Ctrl"

+"

B"

movethescreentotheback.

F"

movethescreentothefront.

U"

thescreenmovesback"

half"

.

d"

movethescreentothefront"

halfpage"

Pressthenumber"

0"

movetothebeginningofthearticle.

G"

movetotheendofthearticle.

$"

movetocursor"

attheendoftheline"

^"

themovetocursor"

W"

thecursorjumpstothebeginningofthenextword

e"

thecursortojumptothenextwordsuffix

PressBtoreturnthecursortothebeginningoftheword

#l"

thecursortothelineofthe#position,suchas:

5L,56l.

4）deletetext

X"

eachtimethecursorisdeleted,acharacterisremovedfromthecursor'

slocation.

#x"

forexample,"

6x"

meansthe6charactersofthebackofthecursorwherethecursorisdeleted.

uppercaseX,andeachtimethecursorisdeleted,acharacterinfrontofthecursorisdeleted.

#X"

20X"

meansthe20charactersinfrontofthecursorwherethecursorisdeleted.

DD"

deletesthecursor'

sline.

#dd"

deleterowsfromthecursorto#

5）copy

YW"

thecursortowherethesuffixcharactersarecopiedtothebuffer.

#yw"

copy#wordstothebuffer

YY"

copythecursorlinetothebuffer.

#yy"

6yy"

meanscopying6linesoftextfromthelineinwhichthecursorislocated.

P"

putthecharactersinthebuffertothecursor'

slocation.Note:

allreplicationcommandsassociatedwith"

Y"

mustworkwith"

tocompletecop