Answer Posted / umesh

cat filename | head -35

How does shebang work?

588

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Can you explain a little bit about command substitution?

607

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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:

1758

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What is difference between grep and find command in unix?

577

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Which command should you use to find the remaining disk space in unix server?

701

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What command is used to switching between users in unix?

560

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What is the use of the tee command?

598

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How do I search for text in vi?

584

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What happens when we execute a unix command?

597

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What do chmod, chown, chgrp commands do?

634

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

577

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What is unix command?

584

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How do you grep recursively?

555

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Does cp command overwrite files?

620

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What is grep command in unix with examples?

604

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