https://fr.wikipedia.org/wiki/Vim
https://www.vim.org/
https://vimhelp.org/vim_faq.txt.html
https://www.iopb.res.in/vimbook-OPL.pdf
https://ftp-developpez.com/ypiel/tutoriels/editeurs/vi/articleVi.pdf
https://docs.oracle.com/cd/E19620-01/805-1608/6j1io9lhi/index.html