two ways of visualizing the mouse chords used to edit text in acme, a user interface for programmers (i.e., a hybrid of window system, shell and editor), for (i) plan 9, (ii) unix-like operating systems through (a) plan 9 from user space (plan9port) or (b) the acme clone wily and (iii) other operating systems through acme stand alone complex (acme-sac) based on the virtualized operating system inferno
