what are the different operating systems available?

3 Answers  

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what is virtual machine?

2 Answers   Infosys,

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what does the command 'wc' do?

4 Answers  

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What is the difference between cat and more command?

0 Answers  

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What is merge command in unix?

0 Answers  

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How to remove a crontab file?

2 Answers  

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what is the difference between pipe(|) and tee command..

3 Answers   Cap Gemini, Rolta,

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what is the command to list all files in a directory, including the hidden files in UNIX ?

9 Answers   CTS,

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In UNIX, what is the command to kill a process?

10 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 is command statement?

0 Answers  

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Can you write a command to erase all files in the current directory including all its sub-directories?

1 Answers  

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