Make certain you have all the necessary documents with you (passport, I-20/DS-2019, proof of finances) and that you hold them in a secure place. Please do not put your documents in checked baggage! You will be expected to present them to immigration officials upon your arrival, together with the I-94 card, arrival & departure record, obtained on the plane. The immigration officer will stamp your I-20/DS-2019 and will give it back to you with your passport and I-94 card. Please keep your I-94 card (white card) stapled in your passport for your entire stay in the United States.
Filling out the I-94 Card
Sample I-94 Card
US VISIT: You will also be photographed and fingerprinted as part of a registration procedure in the US VISIT system. This whole process should not take more than a few minutes.