emacs in viper-mode wizard level: you can type a macro that shows you a Higgs boson.
Dos (windows) to unix:
M-x set-buffer-file-coding-system RET undecided-unix
C-x RET f undecided-unix
Unix to dos (windows):
M-x set-buffer-file-coding-system RET undecided-dos
C-x RET f undecided-dos
This is more a memo to self than a public utility post, because every time I need to do this conversion I don’t remember the command and I have to google for it. From now on I will skip the google step