2021 Ubuntu & Vim - change default color, fix security issue, vim not reading ~.vimrc

https://phoenixnap.com/kb/vim-color-schemes 

In your home folder in ubuntu ( cd ~)

// Create .vimrc file

$ vim .vimrc

// in .vimrc file add the following 

# Set directory is to fix vim security issue, where opened file by vim saved in default temp location can be opened 

set directory=~/.vimbak

# As of Sept 8 2021 colo is deprecated

colo desert

OR

colorscheme desert

syntax on

// :wq! to save the file

// Then in home directory. create directory .vimbak for vim to temporarily save progress on opened file

$ mkdir .vimbak

Vim not reading .vimrc?

https://stackoverflow.com/questions/3495124/not-reading-vimrc

This should not happen, go inside of the link above to find solutions.

(Not recommended) In ubuntu u can change vim global settings for all users at :

/etc/vim/vimrc