vi edit의 모드
Command mode
Text의 위치나 편집 가능하게 함
Input mode
사용자가 text를 작성할 수 있는 모드
:q <enter>
to exit, if you have not made any changes to the file
:q! <enter>
the forced quit, it will discard the changes and quit
:wq <enter>
for save and Exit
:x <enter>
same as above command
To enter the text in vi you should first switch to input mode
•To switch to input mode there are several different commands
•a - Append mode places the insertion point after the current character
•i - Insert mode places the insertion point before the current character
•I - places the insertion point at the beginning of current line
•o - is for open mode and places the insertion point after the current line
•O - places the insertion point before the current line
•R - starts the replace(overwrite) mode
x - deletes the current character
d - is the delete command but pressing only d will not delete anything you need to press a second key
•dw - deletes to end of word
•dd - deletes the current line
•d0 - deletes to beginning of line
There are many more keys to be used with delete command
u - undo the changes made by editing commands
. - repeats the last edit command
Copy, cut and paste in vi
v - visual mode
yy - (yank) copy current line to buffer
nyy - where n is number of lines
p - paste the yanked lines from buffer to the line below
P - paste the yanked lines from buffer to the line above
(the paste commands will also work after yank)
gg - jump the first line of file
G - jump the end of file
nG - jump to the line (where n is line number)
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