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Galvin Edition 9 Exercise 3 Question 11 (Page No. 152)
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Explain the role of the init process on UNIX and Linux systems in regard to process termination.
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Galvin Edition 9 Exercise 3 Question 10 (Page No. 151-152)
Construct a process tree similar to Figure 3.8. To obtain process information for the UNIX or Linux system, use the command ps -ael.Use the command man ps to get more information about the ps command.The task manager ... the parent process ID, but the process monitor tool, available from technet.microsoft.com, provides a process-tree tool.
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Galvin Edition 9 Exercise 3 Question 14 (Page No. 152)
Using the program in Figure 3.34, identify the values of pid at lines A, B, C, and D. (Assume that the actual pids of the parent and child are 2600 and 2603, respectively.) #include <sys/types.h> #include <stdio.h> #include <unistd. ... pid); /* C */ printf("parent: pid1 = %d",pid1); /* D */ wait(NULL); } return 0; }
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Galvin Edition 9 Exercise 3 Question 13 (Page No. 152)
Explain the circumstances under which which the line of code marked printf("LINE J") in following program will be reached. #include <sys/types.h> #include <stdio.h> #include <unistd.h> int main() { pid t pid ... will wait for the child to complete */ wait(NULL); printf("Child Complete"); } return 0; }
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Galvin Edition 9 Exercise 3 Question 12 (Page No. 152)
Including the initial parent process, how many processes are created by the program shown below- #include <stdio.h> #include <unistd.h> int main() { int i; for (i = 0; i < 4; i++) fork(); return 0; }
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