Answer Posted / yuvaevergreen

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What does 'mkdir' command do in UNIX?

660

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What does grep v do?

560

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What is rmdir command?

553

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What are reported commands?

566

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Explain ‘library functions’ with respect to unix commands?

604

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What is the use of the tee command?

598

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Who wrote grep?

583

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What is the significance of the 'tee' command?

596

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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:

1762

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What is difference between grep and find command in unix?

579

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What does awk stand for?

610

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How can you see the command line history?

586

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Why is it called a shebang?

574

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How do I use grep to find a file?

583

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What is used to type command?

544

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