Answer Posted / barani kannan

Kernel is the only thing which communicates with the
hardware. In other means kernel is high level language to
low level language and vice versa

How does the system know where one command ends and another begins?

1567

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How do I search for text in vi?

578

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How can we use grep command in unix?

608

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What does #!/ Bin sh do?

581

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How do I use grep to find a file?

575

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Who command in unix?

564

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What is the significance of the 'tee' command?

594

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

610

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What is “chmod” command?

560

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How is the command '$cat file2 ' different from '$cat >file2 and >> redirection operators ?

755

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Is command prompt unix?

574

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What command is used to check the current users?

588

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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:

1752

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What is the unix command to confirm a remote host is alive or not?

574

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What does grep v grep do?

546

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