I tried installing vim-devicons to be used with nerdtree(using vim-plugin). I tried devicons FAQ, everything is fine except "check if you are able to see the characters, from ex mode:", i tried running
:echo g:WebDevIconsUnicodeDecorateFileNodesDefaultSymbol
But this command gives no icons result.
Also it says that devicons is to be used with NerdFonts, I had trouble installing that. Can anybody guide me through the commands used to install regular ubuntu font on my ubuntu 18.04?