Totally depends on your performance goal, (just building some muscle, specif. sport etc.) your current physique and your physique aim, your training. Just give us some information, dammit, the more the better.
Callisthenics aren't magical or special exercises, most of them are strength-endurance based and more or less fullbody oriented.
Normally, I wouldn't mind such a question, but today, everone is concerned about the abs, and 100 pushups and squats are something that burn calories, too (Meaning, you have to give your body extra-material to make something out of it). Just post us some info and we'll help you.
P.S. It's a BEGINNERS Forum question.