Which of these is true regarding the $0 built-in awk va O It contains the name of the command used to run the curre O Falselt always contains the first record in the input file O You can use the shift command to swap in the value of $1 It contains the current record O It is empty; these variables start at $1 Which of these statements will configure awk to print floa O FLOAT=2 ROUND="%2f"

Which of these is true regarding the $0 built-in awk va O It contains the name of the command used to run the curre O Falselt always contains the first record in the input file O You can use the shift command to swap in the value of $1 It contains the current record O It is empty; these variables start at $1 Which of these statements will configure awk to print floa O FLOAT=2 ROUND="%2f"

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

Section: Chapter Questions

Problem 1PE

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An operating system (OS) is the software which manages hardware and resources, like CPU, storage and memory. The OS bridges the applications and hardware and makes the connections between all of your software and the hardware resources.

Question

D
Which of these is true regarding the $0 built-in awk variable when processing an input file?
It contains the name of the command used to run the current script
O Falselt always contains the first record in the input file
O You can use the shift command to swap in the value of $1
It contains the current record
O It is empty; these variables start at $1
Which of these statements will configure awk to print floating point numbers to two decimal places?
O FLOAT=2
O ROUND="%2f"
O OFMT="%.2f"
O FLOAT="%.2f"

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