Answer Posted / chandrani

head -8 <file name>

Which command is used to create a directory?

577

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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 is pipe command in unix?

677

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What is grep in bash?

591

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What are grep patterns?

581

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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 difference between cat command and more command?

601

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What do chmod command do?

606

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What is the functionality of a top command?

628

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What does the “echo” command do?

626

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Write a command to kill the last background job?

622

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What is awk good for?

590

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What is the general format of unix command syntax?

698

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How do I run a whois command?

606

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What does the command ' $who | sort –logfile > newfile' do?

774

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