Mac os x password help..?

Ok so my Sis changed pass to all the accs on mac os x before she went to college and I have a huge report due and I can't go on so if u guys can help me change the password using command+s the huge terminal screen and some additional information , her pass use to be wrath and pw hint is wbdb but she changed... show more Ok so my Sis changed pass to all the accs on mac os x before she went to college and I have a huge report due and I can't go on so if u guys can help me change the password using command+s the huge terminal screen and some additional information , her pass use to be wrath and pw hint is wbdb but she changed pass but pwhint is still wbdb she says something with her books , so Ty of u help me but she has 4 accs 1 admin 3 Normals thx guys
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