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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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3. a) Examine the following code: int main() { } int pid-fork (); if (pid!=0) { printf ("Wait on child proc \n"); wait (); printf("Done.\n"); }else{ sleep (1); execl ("/bin/ping", "ping","-c", "5", "www.cnn/com", (char*) NULL); execl ("/bin/date", "date", 0, (char*) NULL); } return 0; i) The code compiles and executes, but it does not do what was intended. What does it actually do?
Transcribed Image Text:3. a) Examine the following code: int main() { } int pid-fork (); if (pid!=0) { printf ("Wait on child proc \n"); wait (); printf("Done.\n"); }else{ sleep (1); execl ("/bin/ping", "ping","-c", "5", "www.cnn/com", (char*) NULL); execl ("/bin/date", "date", 0, (char*) NULL); } return 0; i) The code compiles and executes, but it does not do what was intended. What does it actually do?
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