5. What does the following Linux shell pipeline do?grep nd xyz | wc -I6. Write a Linux pipeline that prints the eighth line of file z on standard output.7. Why does Linux distinguish between standard output and standard error, when bothdefault to the terminal?8. A user at a terminal types the following commands:a|b|c &d|e|f&After the shell has processed them, how many new processes are running?

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5. What does the following Linux shell pipeline do? grep nd xyz | wc -I

Database System Concepts

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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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Question

5. What does the following Linux shell pipeline do?
grep nd xyz | wc -I
6. Write a Linux pipeline that prints the eighth line of file z on standard output.
7. Why does Linux distinguish between standard output and standard error, when both
default to the terminal?
8. A user at a terminal types the following commands:
a|b|c &
d|e|f&
After the shell has processed them, how many new processes are running?

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