set nu
set ai
set tabstop=4
set ls=2
set autoindent
Add the above code in your .vimrc file. if .vimrc file is not present please create in your home directory (/home/name of user)
set nu -> This makes Vim display line numbers
set ai -> This makes Vim enable auto-indentation
set ls=2 -> This makes Vim show a status line
set tabstop=4 -> This makes Vim set tab of length 4 spaces (it is 8 by default)
The filename will also be displayed.