Answer Posted / shaikh

windows is user friendly but UNIX is not

What does sed command do in unix?

791

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What is the functionality of a top command?

834

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What is nr in awk command?

788

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What are grep patterns?

774

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What does the md command do?

771

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What are the general commands in using unix os for a beginner?

810

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What are the dos commands?

873

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What is a bash command?

830

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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 # include 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:

1974

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How does shebang work?

808

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Explain command to view process running?

811

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What does the command '$ls | wc –l > file1' do?

905

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How do I search for text in vi?

768

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What does pipe () return?

779

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Explain command to show the space allocation of files?

835

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