1. First-First element of sequence

2. Skip-Remaining elements of sequence

3. Reverse-Reverse the sequence

string[] array = new string[] {"aaaa","bbbb","cccc" };

IEnumerable<string> result1 = array.Take(2);

IEnumerable<string> result2 = array.Skip(2);

IEnumerable<string> result3 = array.Reverse();

foreach (string i in result1)

Console.WriteLine(i);

foreach (string i in result2)

Console.WriteLine(i);

foreach (string i in result3)

Console.WriteLine(i);

Console.ReadLine();