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1.1 ! root 1: .TH LEARN 1 panther ! 2: .CT 1 inst_info ! 3: .SH NAME ! 4: learn \(mi computer aided instruction about UNIX ! 5: .SH SYNOPSIS ! 6: .B learn ! 7: [ ! 8: .BI - directory ! 9: ] ! 10: [ ! 11: .I subject ! 12: [ ! 13: .I lesson ! 14: [ ! 15: .I speed ! 16: ] ! 17: ] ! 18: ] ! 19: .SH DESCRIPTION ! 20: .I Learn ! 21: gives CAI courses and practice in the use of UNIX. ! 22: To get started ! 23: simply type `learn'. ! 24: The program will ask questions to find out what ! 25: you want to do. ! 26: The questions may be bypassed by naming a ! 27: .I subject, ! 28: and the last ! 29: .I lesson ! 30: number that ! 31: .I learn ! 32: told you in the previous session. ! 33: You may also include a ! 34: .I speed ! 35: number that was given with the lesson number ! 36: (but without the parentheses that ! 37: .I learn ! 38: places around the speed number). ! 39: If ! 40: .I lesson ! 41: is ! 42: .LR - , ! 43: .I learn ! 44: prompts for each lesson; ! 45: this is useful for debugging. ! 46: .PP ! 47: The ! 48: .I subjects ! 49: presently handled are ! 50: .EX ! 51: editor ! 52: eqn ! 53: files ! 54: macros ! 55: morefiles ! 56: C ! 57: .EE ! 58: .PP ! 59: The special command ! 60: .L bye ! 61: terminates a ! 62: .I learn ! 63: session. ! 64: .PP ! 65: The ! 66: .BI - directory ! 67: option allows one to exercise a script in ! 68: a nonstandard place. ! 69: .SH FILES ! 70: .F /usr/learn/* ! 71: .SH BUGS ! 72: The main strength of ! 73: .I learn, ! 74: that it asks the student to use the real ! 75: UNIX, also makes possible baffling mistakes. ! 76: It is helpful, especially for nonprogrammers, ! 77: to have a UNIX initiate near at hand during the first ! 78: sessions. ! 79: .PP ! 80: Occasionally lessons are incorrect, sometimes because the local version ! 81: of a command operates in a non-standard way. ! 82: Such lessons may be skipped, ! 83: but it takes some sophistication to recognize ! 84: the situation.
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