... two lines of data, with 0‟s added and spaces removed should be: 12 04 213 1 213 13 1220 711 11 Where columns 1- 2 are variable 1, columns 3-5 are variable 2 and so on. After correcting the data, ... numbers prior to doing analyses. For example, changing 0‟s to 1 s and 1 s to 2‟s. 4 Course Instructors The instructors for this year will be, Brent Snook (Room 1. 79), X, Y & Z. Our ... directory cd {directory} - change directory (note that cd moves you up one directory) mkdir {directoryname} - creates a directory rmdir {directoryname} - removes a directory ned {filename}...