I'm not sure if i have the flu, or a cold. what are flu symptoms?

Very similar: Difficult to differentiate cold from flu symptoms. Symptoms are essentially the same. Both are caused by viruses and usually resolve within 7-10 days.

Flu vs cold: According to Mayo Clinic Flu sxs may include “Fever over 100F (38C), Aching muscles, especially in your back, arms and legs, Chills & sweats, Headache, Dry Cough, Fatigue and weakness, Nasal Congestion.” Common cold symptoms include: Cough, congestion, watery eyes, sneezing, sore throat, mild headache, low grade fever & mild body aches.