http://www.umich.edu/~rsug/misc/vilearn.html http://physics.ucsc.edu/tutor/vi.html Command summary and examples: http://locutus.kingwoodcable.com/jfd/vi.html PDF tutorial by the author of 'vi' (Bill Joy) http://www.am.qub.ac.uk/users/p.norrington/archive/unix/viman.pdf