⟩ If we compile the google.c file with the command "gcc -c google.c", then the output file will be a) google.o b) google.s c) google.i d) none of the mentioned
a) google.o
a) google.o
How do you get parent process identification number? a) waitpid b) getpid() c) getppid() d) parentid()
Pid of init process a) 0 b) 1 c) 32767 d) none of the above
How many times printf() will be executed in the below mentioned program? main() { int i; for (i = 0; i < 4; i++) fork(); printf("my pid = %dn", getpid()); } a) 4 b) 8 c) 16 d) 32
What is output of the following program? int main() { fork(); fork(); fork(); if (wait(0) == -1) printf("leaf childn"); } a) "leaf child" will be printed 1 times b) "leaf child" will be printed 3 times c) "leaf child" will be printed 4 times d) "leaf child" will be printed 8 times
What is the output of the below code? void exit_handler1(); void exit_handler2(); int main() { int pid; atexit(exit_handler1); atexit(exit_handler2); pid = fork(); if(pid == 0) { _exit(0); } else { sleep(2); exit(0); } return 0; } a) Only child executes the exit_handler 1 and 2. b) Only parent executes the exit_handler 1 and 2. c) Both parent and child executes the exit_handler 1 and 2. d) Neither parent nor child executes the exit_handler 1 and 2.
The maximum time slice that can be given to a process in Linux (where tick is 10ms) is a) 150ms b) 10ms c) 300 ms d) 600ms
The process which terminates before the parent process exits becomes a) Zombie b) Orphan c) Child d) None of the above
Nice can be used by an ordinary process to a) increase the priority of a process b) decrease the priority of a process c) increase or decrease the priority of a process
Which represents the user home directory a) / b) . c) .. d) ~
In Linux kernel-2.6 Real time priority ranges from a) 0 to 99 b) 0 to 139 c) -20 to 19 d) 100 to 139