Answer Posted / santhosh..

if u want know kernel version then

#uname -r

if u want know architecture of os then

#cat /etc/redhat-releases

if u want know about about flavor of unix

#uname -a...like we have so many commands....

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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How do I search a whole word in vim?

690

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What is the behavioural difference between cmp and diff commands?

672

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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?

797

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Which unix command lists files/folders in alphabetical order?

614

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

768

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What is rmdir command?

553

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What are the commands in UNIX to list the files in a Directory?

616

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How do I run a whois command?

599

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What is grep and how do you use it?

575

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Differentiate cmp command from diff command.

586

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What is unix command line?

606

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Explain command to view process running?

611

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What is the comma to display different lines that are found when compare two files?

593

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What does the md command do?

568

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