Vim (Text-Editor) Cheat Sheet for Beginners Starting from Scratch

Although Vim calls itself "the ubiquitous text editor," the typical computer user is unlikely to use it frequently. However, it has a large following of devoted users and is packed with useful features. As a result, it is advisable to initially spend some time getting acquainted with the Vim editor.

Mastering Vim Commands: The Ultimate List for Beginners

vim filename.txt - opens the file to read, edit and write or exit.

:w - save the file

:q! - Quit without saving changes

:q - Quit Vim



Cursor movement
h - move cursor left
j - move cursor down
k - move cursor up
l - move cursor right

Ctrl + v - start visual block mode
Ctrl + V - visual mode to select or delete the following selected text 
(to be edited in future).

V - start linewise visual mode


Insert mode - inserting/appending text
i - insert before the cursor


Esc - exit insert mode

source:
vim . rtorr . com



Vim Commands for Cut, Copy and Paste:

Just like Find
and Replace, 
Cut, Copy and Paste
too is a common feature. 
Vim commands to work 
with cut/copy and pasting
of text can be found below:

y - Copy the selected text
p - Paste the selected text
dd - Cut the current line
yy - Copy the current line
y$ - Copy to EOL
D - Cut to EOL


Exiting
:w - write (save) the file, but don't exit
:w !sudo tee % - write out the current file using sudo
:wq or :x or ZZ - write (save) and quit
:q - quit (fails if there are unsaved changes)
:q! or ZQ - quit and throw away unsaved changes
:wqa - write (save) and quit on all tabs