Add the following three lines to the end of either /etc/vimrc or ~/.vimrc

set paste
set statusline=%F%m%r%h%w\ [FORMAT=%{&ff}]\ [TYPE=%Y]\ [ASCII=\%03.3b]\ [HEX=\%02.2B]\ [POS=%04l,%04v][%p%%]\ [LEN=%L]
set laststatus=2

Will the following to the bottom of your vim session:

 
~/x.txt [FORMAT=unix] [TYPE=TEXT] [ASCII=000] [HEX=00] [POS=0000,0001][100%] [LEN=1]

You will see

• the current file name
• file format
• file type
• ASCII code for the character that the cursor is on in both decimal and hex
• current position of the cursor in the file – line number and character on that line
• current position of the cursor in the file in percent
• number of linse in the file