Write the program tail, which prints the last n lines of its input. By default, n is 10, let us say, but it can be changed by an optional argument, so that tail -n prints the last n lines. The program should behave rationally no matter how unreasonable the input or the value of n. Write the program so it makes the best use of available storage; lines should be stored as in the sorting program of, not in a two-dimensional array of fixed size

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Write the program tail, which prints the last n lines of its
input. By default, n is 10, let us say, but it can be changed by an optional
argument, so that
tail -n

prints the last n lines. The program should behave rationally no matter how
unreasonable the input or the value of n. Write the program so it makes the
best use of available storage; lines should be stored as in the sorting program of, not in a two-dimensional array of fixed size

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