Consider the following program (header files not shown and fileT exists and is empty). int main(void) { } if (fork()) { close (1); open("fileT", 2); fork(); } fork(); printf("A"); sleep (42); return 0; If nothing gets printed enter nothing What gets printed, if anything, to the terminal? What gets printed, if anything, to filet? How many processes are sleeping after the printf statement? Submit You have used 0 of 1 attempt What does this program do? } Consider the following program (includes not shown). filel only contains the letter Z. int main(void) { printf("X"); fflush(stdout); fork(); printf("Y"); fflush(stdout); execlp ("cat","cat", "filel", (char*) NULL); printf("W"); fflush(stdout); sleep (3); return 0; If nothing gets printed enter nothing What is printed to the terminal screen by this program? How many processess are sleeping after all letters have been printed? Save
Consider the following program (header files not shown and fileT exists and is empty). int main(void) { } if (fork()) { close (1); open("fileT", 2); fork(); } fork(); printf("A"); sleep (42); return 0; If nothing gets printed enter nothing What gets printed, if anything, to the terminal? What gets printed, if anything, to filet? How many processes are sleeping after the printf statement? Submit You have used 0 of 1 attempt What does this program do? } Consider the following program (includes not shown). filel only contains the letter Z. int main(void) { printf("X"); fflush(stdout); fork(); printf("Y"); fflush(stdout); execlp ("cat","cat", "filel", (char*) NULL); printf("W"); fflush(stdout); sleep (3); return 0; If nothing gets printed enter nothing What is printed to the terminal screen by this program? How many processess are sleeping after all letters have been printed? Save
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
Related questions
Question
This is using Linux system calls and C
![Consider the following program (header files not shown and filet exists and is empty).
}
int main(void) {
if (fork()) {
close (1);
open("fileT", 2);
fork();
}
fork();
printf("A");
sleep(42);
return 0;
If nothing gets printed enter nothing
What gets printed, if anything, to the terminal?
What gets printed, if anything, to filet?
How many processes are sleeping after the printf statement?
Submit You have used 0 of 1 attempt
}
What does this program do?
Consider the following program (includes not shown). filel only contains the letter Z.
int main(void) {
printf("X"); fflush(stdout);
fork();
printf("Y"); fflush(stdout);
execlp ("cat","cat", "file1", (char*) NULL);
printf("W"); fflush(stdout);
sleep (3);
return 0;
If nothing gets printed enter nothing
What is printed to the terminal screen by this program?
How many processess are sleeping after all letters have been printed?
Save](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8f37abaf-2066-41c2-a0f5-8b99036cd88f%2Fe0dab8d1-ee6b-40f1-ae19-b30487158d22%2Fr94bzi_processed.png&w=3840&q=75)
Transcribed Image Text:Consider the following program (header files not shown and filet exists and is empty).
}
int main(void) {
if (fork()) {
close (1);
open("fileT", 2);
fork();
}
fork();
printf("A");
sleep(42);
return 0;
If nothing gets printed enter nothing
What gets printed, if anything, to the terminal?
What gets printed, if anything, to filet?
How many processes are sleeping after the printf statement?
Submit You have used 0 of 1 attempt
}
What does this program do?
Consider the following program (includes not shown). filel only contains the letter Z.
int main(void) {
printf("X"); fflush(stdout);
fork();
printf("Y"); fflush(stdout);
execlp ("cat","cat", "file1", (char*) NULL);
printf("W"); fflush(stdout);
sleep (3);
return 0;
If nothing gets printed enter nothing
What is printed to the terminal screen by this program?
How many processess are sleeping after all letters have been printed?
Save
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