Perintah vi di Linux

Perintah "vi" adalah perintah di dalam shell linux untuk mengedit teks, kalau di dalam Windows pada shell MS-Dos dengan perintah "edit". Yang keduanya hampir mempunyai kesamaan, perbedaannya di dalam dos bisa langsung dari windows dan dapat mouse dapat dijalankan tetapi di dalam vi mouse tidak bisa digunakan untuk memilih option tersebut seperti file, edit, help dll.
Untuk perintah edit di MS-DOS dan vi di Linux adalah sebagai berikut :
edit namafile.extensi --> untuk MS-DOS
vi namafile.extensi --> untuk Linux
Untuk perintah edit pada MS-DOS antara lain

EDIT [/B] [/H] [/R] [/S] [/] [/?] [file(s)]
/B - Forces monochrome mode.
/H - Displays the maximum number of lines possible for your hardware.
/R - Load file(s) in read-only mode.
/S - Forces the use of short filenames.
/ - Load binary file(s), wrapping lines to characters wide.
/? - Displays this help screen.
[file] - Specifies initial files(s) to load. Wildcards and multiple
filespecs can be given.

Dan berikut ini perintah dalam vi dalam linux antara lain :

Insert Text:
a : Insert Text after the cursor
A : Insert text at the end of the current line
I : Insert text at the beginning of the current line
i : Insert text before cursor
o : Open a line below the current line
O : Open a line above the current line
Ctrl-V : Insert any special character in input mode

Delete Text:
D : Delete up to the end of the current line
dd: Delete the current line
dw: Delete from the cursor to the end of the following word
x : Delete the character on which the cursor rests

Change Text:
C : Change up to the end of the current line
cc: Change the current line
cw: Change the word
J : Join the current line with the next one
rx: Replace the character under the cursor with x (x is any character)
~ : Change the character under the cursor to the opposite case

Move Cursor:
$ : Move to the end of the current line
; : Repeat last f or F command
^ : Move to the beginning of the current line
e : Move to the end of the current word
fx: Move cursor to the first occurrence of character x on the current
line
Fx: move cursor to the last occurrence of character x on the current
line
H : Move cursor to the top of the screen
h : Move one character to the left
j : Move one line down
k : Move one line up
L : Move cursor to the end of the screen
l : move one character to the right
M : Move cursor to the middle of the screen
n|: Move cursor to column n on current line
nG: Place cursor on line n
w : Move to the beginning of the following word

Mark A location:
'x: Move cursor to the beginning of the line that contains mark x
`x: Move cursor to mark x
mx: Mark the current location with letter x

Scroll text:
Ctrl-b : Scroll backward by a full screen
Ctrl-d : Scroll forward by half a screen
Ctrl-f : Scroll forward by a full screen
Ctrl-u : Scroll backward by half a screen

Refresh Screen:
Ctrl-l : Redraw screen

Cut and Paste Text:
"xndd : Delete n lines and move them to buffer x(x is any single lowercase character)
"Xnyy : Yank n (a number) lines and append them to buffer x
"xnyy : Yank n (a number) lines into buffer x (x is any single lowercase character)
"xp : Put the yanked lines from buffer x after the current line
P : Put yanked line above the current line
p : Put yanked line below the current line
yy : Yank (copy) current line into an unnamed buffer

Colon Commands:
:!command : Execute shell command
:e filename : Edit file
:f : Display filename and current line number
:N : Move to line n (n is a number)
:q : quit editor
:r filename : Read file and insert after current line
:w filename : Write buffer to file
:wq : Save changes and exit

Search Text:
/string : search forward for string
?string : serach backward for string
n : find next sring

View file Information:
ctrl-g : show filename,size,and current line number

Miscelaneous:
u : Undo last command
Esc : End input mode and enter visual command mode
U : Undo recent changes to current line

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