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Recent questions tagged fork-system-call

2 votes
3 answers
4
System Call FORK()
Int main () { fork(); printf("a"); fork(); printf("b"); return 0; } How many distinct outputs are possible of above code? And also give outputs
Int main (){fork();printf("a");fork();printf("b");return 0;}How many distinct outputs are possible of above code? And also give outputs
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3 votes
1 answer
5
fork
Consider the following code segment : int main (void) { for (int i=2; i<=5; i++) { fork( ); } printf (“GOCLASSES”); How many times “GOCLASSES” is printed by the above code?
Consider the following code segment :int main (void) { for (int i=2; i<=5; i++) { fork( ); }printf (“GOCLASSES”);How many times “GOCLASSES” is printed by the ab...
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1 votes
2 answers
7
OS handout
For following code how many times the '*' will printed? main() { int i,n ; for(i = 1 ; i<=n ; ++i) { fork(); printf("*"); } }
For following code how many times the '*' will printed?main(){ int i,n ; for(i = 1 ; i<=n ; ++i) { fork(); printf("*"); }}
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0 votes
3 answers
9
#CPCB
How many helloWorld lines are printed by the program: #include <stdio.h> #include <stdlib.h> void myFunc() { if (fork() == 0) { fork(); printf(“helloWorld\n”); exit(0); } return ; } int main(){ printf(“helloWorld\n”); myFunc(); printf(“helloWorld\n”); return 1; }
How many helloWorld lines are printed by the program:#include <stdio.h>#include <stdlib.h void myFunc(){ if (fork() == 0){ fork(); printf(“helloWorld\n”); exit(0); } ...
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0 votes
1 answer
10
Fork() system call doubt
void main() { int n = 1; if(fork()==0) { n = n<<1; printf(“%d, “, n); n = n <<1; } if(fork()==0) n=n+700; printf(“%d, “,n); } Which of the following output is not possible? 2,4,1,701,704 1,2,4,704,701 2,704,4,701,1 1,704,2,4,701
void main() { int n = 1; if(fork()==0) { n = n<<1; printf(“%d, “, n); n = n <<1; } if(fork()==0) n=n+700; printf(“%d, “,n); }Which of the following output is not ...
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12 votes
4 answers
13
GATE CSE 2023 | Question: 13
Which one or more of the following options guarantee that a computer system will transition from user mode to kernel mode? Function Call malloc Call Page Fault System Call
Which one or more of the following options guarantee that a computer system will transition from user mode to kernel mode?Function Callmalloc CallPage FaultSystem Call
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0 votes
1 answer
14
Fork() | OS
int doWork(){ fork(); fork(); printf("Hello world!\n"); } int main() { doWork(); printf("Hello world!\n"); exit(0); }
int doWork(){ fork(); fork(); printf("Hello world!\n");}int main() { doWork(); printf("Hello world!\n"); exit(0);}
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2 votes
1 answer
17
gateforum
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