#include /* contains forkprototype */ int main(void){int pid;printf("Hello World!\n");printf("I am the parent process and pid is : %d .\n",getpid());printf("Here i am before use of...

Lab2.c<br>#include <stdio.h><br>#include <unistd.h> /* contains fork<br>prototype */ int main(void)<br>{<br>int pid;<br>printf(

#include /* contains fork prototype */ void main(void) printf("Here I am just before first forking statement\n"); fork(); printf("Here I am just after first forking statement\n"); fork(); printf("Here I am just after second forking statement\n"); printf("\t\tHello World from process %d!\n", getpid(); } What is the output of the above program? How many child processes have been created in it? "/>
Extracted text: Lab2.c #include #include /* contains fork prototype */ int main(void) { int pid; printf("Hello World!\n"); printf("I am the parent process and pid is : %d .\n",getpid()); printf("Here i am before use of forking\n"); pid = fork(); printf("Here I am just after forking\n"); if (pid == 0) printf("I am the child process and pid is :%d.\n",getpid()); else printf("I am the parent process and pid is: %d .\n",getpid()); What is the process ID of the child process and parent process? Lab3.c (Multiple forks): #include #include /* contains fork prototype */ void main(void) printf("Here I am just before first forking statement\n"); fork(); printf("Here I am just after first forking statement\n"); fork(); printf("Here I am just after second forking statement\n"); printf("\t\tHello World from process %d!\n", getpid(); } What is the output of the above program? How many child processes have been created in it?

Lab4.c: Guarantees the child process will print its message before the paren<br>process, invoke wait(NULL) system call in parent process/<br>#include <stdio.h><br>#include <unistd.h><br>#include <stdlib.h><br>#include <wait.h>/* contains prototype for wait */<br>void main(void)<br>{<br>int pid;<br>int status<br>printf(

#include #include #include main() { int forkresult; printf("%d: I am the parent. Remember my number!\n", getpid()); printf("%d: I am now going to fork . In", getpid()); forkr %3D if (forkresult != 0) { printf("%d: My child's pid is %din", getpid(), forkresult); } else { printf("%d: Hi! I am the child.In", getpid()); printf("%d: like father like son. In", getpid()); What isthe output of child process? What is the output of parent process? "/>
Extracted text: Lab4.c: Guarantees the child process will print its message before the paren process, invoke wait(NULL) system call in parent process/ #include #include #include #include /* contains prototype for wait */ void main(void) { int pid; int status printf("Hello World!\n"); pid = fork( ); if (pid == -1) /* check for error in fork */ { perror("bad fork"); exit(1); if (pid == 0) printf("I am the child process. In"); e se { wait(NULL); /* parent waits for child to finish / printf("I am the parent process.In"); Write Output: Lab5.c: #include #include #include #include main() { int forkresult; printf("%d: I am the parent. Remember my number!\n", getpid()); printf("%d: I am now going to fork . In", getpid()); forkr %3D if (forkresult != 0) { printf("%d: My child's pid is %din", getpid(), forkresult); } else { printf("%d: Hi! I am the child.In", getpid()); printf("%d: like father like son. In", getpid()); What isthe output of child process? What is the output of parent process?

Jun 06, 2022

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#include /* contains forkprototype */ int main(void){int pid;printf("Hello World!\n");printf("I am the parent process and pid is : %d .\n",getpid());printf("Here i am before use of...

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