One editor you could use is emacs itself. You can do most
commands (open/save file etc.) from the File menu on top.
You can get
to the file we need with the command (issue it in a terminal window)
Add the lines below to the end of the file, and then save it. The settings take effect next time you start emacs (with emacs &). Some of these might already be active.emacs ~/.emacs &
(add-hook 'text-mode-hook 'turn-on-auto-fill) ; break lines at space when they are too long (transient-mark-mode 1) ; highlight the region whenever it is active (add-hook 'comint-output-filter-functions 'comint-watch-for-password-prompt) ; notice password prompts and turn off echoing for them (auto-compression-mode t) ; uncompress files before displaying them (global-font-lock-mode t) ; use colors to highlight commands, etc. (set-variable 'font-lock-maximum-decoration nil) ; maximum-decoration set to nil to use the default ; decoration (typically the minimum available) ; you can comment out this command with a semicolon ; see mode-specific variations in the description of ; font-lock-maximum-decoration by typing ; C-h v font-lock-maximum-decoration RETURN (setq tex-dvi-view-command "xdvi") ; define the command to view DVI-files (setq tex-dvi-print-command "dvips") ; define the command to print DVI-files (require 'tex-site) ; invoke the AUCTeX package (LaTeX support) ; this might be already activated