b line breaks on r read file b- line breaks off s substitute /old/new/ d delete line(s) t copy line(s) e edit a new file v globally if not f set file name w write on file g globally if x substitute interactively h display this summary ('.' to confirm) k mark line / delimit search string m move line(s) ? delimit backward l list line(s) search string o open line(s) for mods ! unix command (^H for help in 'o') = line number o\ replace line(s) > prompts off o- insert new lines % display context o+ append new lines & .-16,.p p print line(s) " .+1,.+17p q quit editor +,- .+1p,.-1p