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How does the following code work? Do not just describe the syntax. 1 #include 3 #include 4 5 int main() { pid t pid; 7 pid = fork(); if (pid = 0) { 10 11 12 } 13 else if (pid > 0) { 14 15 8 fprintf(stderr, "Fork failed"); return 1; execlp("/bin/ls", "Is", NULL); 16 else { wait(NULL); 17 18 } 19 return 0; 20 }

How does the following code work? Do not just describe the syntax. 1 #include 3 #include 4 5 int main() { pid t pid; 7 pid = fork(); if (pid = 0) { 10 11 12 } 13 else if (pid > 0) { 14 15 8 fprintf(stderr, "Fork failed"); return 1; execlp("/bin/ls", "Is", NULL); 16 else { wait(NULL); 17 18 } 19 return 0; 20 }

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question 2 How does the following code work? Do not just describe the syntax. 1 #include <sys/types.h> 2 #include <stdio.h> 3 #include <unistd.h> 4 5 int main() { pid_t pid; 7 8 pid = fork(): if (pid == 0) { fprintf(stderr, "Fork failed"); return 1; 9. 10 11 12 13 else if (pid > 0) { execlp("/bin/Is", "Is", NULL); 14 15 else { wait(NULL); } 19 16 17 18 return 0; 20 }
Transcribed Image Text:Question 2 How does the following code work? Do not just describe the syntax. 1 #include <sys/types.h> 2 #include <stdio.h> 3 #include <unistd.h> 4 5 int main() { pid_t pid; 7 8 pid = fork(): if (pid == 0) { fprintf(stderr, "Fork failed"); return 1; 9. 10 11 12 13 else if (pid > 0) { execlp("/bin/Is", "Is", NULL); 14 15 else { wait(NULL); } 19 16 17 18 return 0; 20 }
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