Answer Posted / subbareddy kake

up to now all answers correct.I saw result of all commands.

What does the metacharacter mean?

691

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What is the nmap command?

687

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What is the use of tee command?

651

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How do you grep recursively?

656

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What does 'mkdir' command do in UNIX?

762

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Why is shebang used?

685

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What is the comma to show the space allocation of files?

640

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Which command is used to kill the last background job?

886

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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:

1850

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What is the use of sed command in unix?

690

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Which command is used to copy files?

660

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What is the use of finger command?

681

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What does grep v do?

643

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What do know about tee command and its usage?

703

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

715

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