Short

Short[expr] prints as a short form of expr, less than about one line long.

Short[expr, n] prints as a form of expr about n lines long.

Examples

Shorten a long expression:

Short[Range[100]]
(* {1, 2, <<96>>, 99, 100} *)

Specify length:

Short[Table[x^i, {i, 50}], 2]

Please visit the official Wolfram Language Reference for more details.