Question: The 1981 Nebraska Cornhuskers football team represented the largest university in which system?

Context paragraphs:
2010 Nebraska Cornhuskers football team: The 2010 Nebraska Cornhuskers football team represented the University of Nebraska in the 2010 NCAA Division I FBS football season.  The team was coached by Bo Pelini and played their home games at Memorial Stadium in Lincoln, Nebraska.  They were members of the North Division of the Big 12 Conference.  It was Nebraska's 102nd and last season in the Big 12 (including years in the MVIAA/Big Eight) as they will begin competing in the Big Ten Conference in 2011.

1981 Nebraska Cornhuskers football team: The 1981 Nebraska Cornhuskers football team represented the University of Nebraska–Lincoln in the 1981 NCAA Division I-A football season.  The team was coached by Tom Osborne and played their home games in Memorial Stadium in Lincoln, Nebraska.

1994 Nebraska Cornhuskers football team: The 1994 Nebraska Cornhuskers football team represented the University of Nebraska–Lincoln in the 1994 NCAA Division I-A football season.  The team was coached by Tom Osborne and played their home games in Memorial Stadium in Lincoln, Nebraska.  The Cornhuskers offense scored 459 points while the defense allowed 162 points.

2012 Nebraska Cornhuskers football team: The 2012 Nebraska Cornhuskers football team represented the University of Nebraska in the 2012 NCAA Division I FBS football season.  The team was coached by Bo Pelini and played their home games at Memorial Stadium in Lincoln, Nebraska.  The Cornhuskers finished with 10–4 overall, 7–1 Legends, to become Big Ten Legends Division champions.  In the postseason, the team was invited to their first 2012 Big Ten Football Championship Game, where they lost to Wisconsin, and lost to Georgia in the 2013 Capital One Bowl.

2014 Nebraska Cornhuskers football team: The 2014 Nebraska Cornhuskers football team represented the University of Nebraska in the 2014 NCAA Division I FBS football season.  The team was coached by Bo Pelini and played their home games at Memorial Stadium in Lincoln, Nebraska.  They were members of the West Division of the Big Ten Conference.  They finished the season 9–4, 5–3 in Big Ten play to finish in a tie for second place in the West Division.  Following losses to both Wisconsin and Minnesota and a come from behind win in overtime at Iowa, Pelini was relieved of his coaching duties following the conclusion of the regular season on November 30, 2014.  On December 4, 2014, Mike Riley was announced as the next head coach of the Nebraska football team, and would begin his duties immediately.  However, he would not coach the Huskers in the Holiday Bowl, with that job instead handled by Barney Cotton.  The Cornhuskers lost the Holiday Bowl to USC.

2011 Nebraska Cornhuskers football team: The 2011 Nebraska Cornhuskers football team represented the University of Nebraska–Lincoln in the 2011 NCAA Division I FBS football season.  The Cornhuskers were coached by Bo Pelini and played their home games at Memorial Stadium in Lincoln, Nebraska.  This season was Nebraska's first in the Big Ten Conference in the Legends Division as they moved from the Big 12 Conference to the Big Ten following the conclusion of the 2010 season.  They finished the season 9–4, 5–3 in Big Ten play to finish in third place in the Legends Division.  They were invited to the Capital One Bowl where they were defeated by South Carolina 13–30.

1983 Nebraska Cornhuskers football team: The 1983 Nebraska Cornhuskers football team represented the University of Nebraska–Lincoln in the 1983 NCAA Division I-A football season.  The team was coached by Tom Osborne and played their home games in Memorial Stadium in Lincoln, Nebraska.  Nicknamed "The Scoring Explosion", the team was noted for its prolific offense, which is still widely considered one of the greatest in college football history.  The team and some of its individual players set several NCAA statistical records, some of which still stand.  Nebraska scored a total of 654 points on the season.

1995 Nebraska Cornhuskers football team: The 1995 Nebraska Cornhuskers football team represented the University of Nebraska–Lincoln and was the national champion of the 1995 NCAA Division I-A football season.  The team was coached by Tom Osborne and played their home games in Memorial Stadium in Lincoln, Nebraska.  The Cornhuskers scored 638 points (53.2 per game) while only allowing 174 (14.5 per game).  Their average margin of victory was 38.6 points, and their lowest margin of victory, against Washington State, was 14 points.  They are regarded by many as the greatest college football team of all time.

University of Nebraska–Lincoln: The University of Nebraska–Lincoln, often referred to as Nebraska, UNL or NU, is a public research university in the city of Lincoln, in the state of Nebraska in the Midwestern United States.  It is the state's oldest university, and the largest in the University of Nebraska system.

2009 Nebraska Cornhuskers football team: The 2009 Nebraska Cornhuskers football team represented the University of Nebraska–Lincoln in the 2009 NCAA Division I FBS football season.  The Cornhuskers played their home games at Memorial Stadium in Lincoln, Nebraska and were led by head coach Bo Pelini.  The Cornhuskers finished the season 10–4, 6–3 in Big 12 and were Big 12 North Division champions and represented the division in the Big 12 Championship Game, where they lost to Texas 13–12.  Nebraska was invited to the Holiday Bowl, where they defeated Arizona 33–0.

Supporting paragraphs: 1981 Nebraska Cornhuskers football team University of Nebraska–Lincoln
Answer: the University of Nebraska system