vi is visual terminal based text editor for linux. vi can open, create and modify. To run command you have to enter it in status line below text of file. To exit from command mode and enter in text input mode press I. Pressing Escape will make you exit from input mode.
To open a file in vi text editor in current folder type
vi filename
In case file exists in different location type path to file followed by file name
vi /path to file/filename
To start writing in open file press
i it will start editing mode
To exit from editing mode press
Escape
To create a line below cursor press
o
Create a line above cursor press
Shift + o
To copy a line press
yy
To copy a word press
yw
To copy multiple lines type
Number of lines yy , example 5 yy
To paste copied text in next line press
p
To Paste copied text above line press
Shift + p
To delete a line press
dd
To delete a word press
dw
To undo last change press
u
And to redo last action press
Control + r
To go to end of file press
Shift +g
To go to Start of File press
gg
Show line number
se nu
Hide line numbers
se nonu
Save and exit
wq
Force save and exit
wq!
