Answer Posted / jupiter

#tail -n 8 <file-name>

How do I find previous commands in unix?

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:

1766

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What does grep v do?

562

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Name the unix command to find how many days the server has been up.

608

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What is grep and how do you use it?

581

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What is awk used for?

624

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What is unix command?

584

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Is there a way to erase all files in the current directory, including all its sub-directories, using only one command?

801

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Explain ‘system calls’ with respect to unix commands?

606

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What is a bash command?

627

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What is the difference between grep and grep?

569

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What is awk good for?

590

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What is the function of grep command in unix?

593

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Which command is used to find whether the system is 32 bit or 64 bit?

633

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What is the general format of unix command syntax?

698

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