Long war — For five years longer: for it is probable, Isbosheth was made king presently upon Saul's death; and the other tribes did not submit to David before seven years were expired.
Related Commentaries of 2 Samuel 3:1
2 Samuel 3:1
1 Now there was long war between the house of Saul and the house of David: but David waxed stronger and stronger, and the house of Saul waxed weaker and weaker.