Vim

http://www.viemu.com/a-why-vi-vim.html
And also this classic answer: https://stackoverflow.com/questions/1218390/what-is-your-most-productive-shortcut-with-vim

Core concepts

In vim you have the concept of buffers.

# List buffers
:buffers

# Switch buffer
# By number
b1
b2
# By name
b [name]


# Close/delete a buffer
:bdelete
:bd

Movement - Motion commands

Left,up,down,right

hjkl

start of line

0 (zero)

end of line

$

beginning of next word

w

beginning of next word, defined by white space

W

end of the next word

e

end of the next word, defined by white space

E

back to the beginning of previous word

b

back to the end of previous word

B

go to next character of your choice

If you want to go to the next comma

f,

start of file

gg

end of file

G

Additional Commands

:q                          - Quit.
:wq                         - Save and close.
:syntax on                  - Turn on Syntax highlighting for C programming and other languages.
:history                    - Shows the history of the commands executed
:set number                 - Turn on the line numbers.
:set nonumber               - Turn off the line numbers.

Operators

Operators are commands that do things. Like delete, change or copy.

c - change
ce - change until end of the word.
c$ - change until end of line.

Combining Motions and Operators

Now that you know some motion commands and operator commands. You can start combining them.

dw - delete word
d$ - delete to the end of the line

Count - Numbers

You can add numbers before motion commands. To move faster.

4w - move cursor three words forward
0 - move curso to the start of the line

You can use numbers to perform operations.
d3w - delete three words

3dd - delete three lines

Replace

If you need to replace a character, there is no need to enter insert-mode. You can just use replace

Go to a character and the press r followed by the character you want instead.

rp if you want to replace p.

R

Clipboard

In order to copy something FROM vim to the OS-clipboard you can do this:

The " means that we are not entering a registry. And the * means the OS-clipboard. So we are yanking something and putting it in the OS-clipboard registry.

"*y

Substitute - Search and replace

:s/thee/the/g

Entering insert-mode

i - current character
o - next line
O - line before
a - end of word
A - end of line

.vimrc

Here is all your vim-configuration.

Contains optional runtime configuration settings to initialize Vim when it starts. Example: If you want Vim to have syntax on and line numbers on, whenever you open vi, enter syntax on and set number in this file.

##Sample contents of .vimrc

syntax on
set number

Plugins

Install vundle here
https://github.com/VundleVim/Vundle.vim

Add plugin

Add plugin to your .vimrc-file and then open vim and write

:PluginInstall

References

https://bitvijays.github.io/LFF-ESS-P0B-LinuxEssentials.html

Vim

Vim