one of my very first plants was a cactus bought at the store and it lived in my apt for years and moved with me to 3 diff places now that I finally planted it, it was diseased or something - from like the top foot up so I did cut it with a sterolized knife other wise it seemed like it was spreading (from what I researched it didnt seem like too many optons) - and it didnt look that great but now thankfully it is growing a chute :) and it looks like something that I could cut off and grow maybe - is there anything I should know? like where to cut etc - heres a pic

http://forums2.gardenweb.com/forums/load/namegal/msg1007130822153.html

thankyou