what are processor execution levels and priorities?

2 Answers   Infosys,

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What does pipe () return?

0 Answers  

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What does mkdir up2date; touch outdated up2date do?

2 Answers  

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How to get the operating system's information in unix?

6 Answers   IBM, TCS,

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How do you remove a directory?

1 Answers  

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When i run a programm of orphan process. Instead of getting child's parent (ppid)=1 ..i get 1400 and it varies as per system. How can i findthe right soluion??? My pgm: #include<stdlib.h> # include <stdio.h> int main() { int pid; pid=fork(); if(pid < 0) {exit(-1);} else if(pid==0) { printf("Child Process is Sleeping ..."); sleep(10); printf("Orphan Child's Parent ID : %u ",getppid()); } else { printf("Parent Process Completed ... %u ",getpid()); exit(0); } return 0; } Output:

0 Answers  

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what are filters?

6 Answers  

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29. How to display top 10 users Who | head -10 | wc –w

4 Answers   TCS,

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what is the command to find out which shell you are running?

14 Answers  

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What is the difference between cat and more command?

0 Answers  

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what is the meaning of this command rm -rf / what will it do ?

5 Answers   Altair,

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What is the use of sed command in unix?

0 Answers  

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