#define N 2 int main() { for (int i=0; i

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
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This is a problem from design of operating systems. The code is in xv6. Please help me to answer everything that is asked here.

5. Evaluate the following code snippet:
#define N 2
int main() {
for (int i=0; i<N; i++) {
fork();
}
printf("hello world!\n");
return 0;
}
а.
How many "Hello World" messages will be printed, and why?
b. If N is 10, how many messages will be printed, and why?
Transcribed Image Text:5. Evaluate the following code snippet: #define N 2 int main() { for (int i=0; i<N; i++) { fork(); } printf("hello world!\n"); return 0; } а. How many "Hello World" messages will be printed, and why? b. If N is 10, how many messages will be printed, and why?
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