Answer Posted / suriya

Kernel is a heart of unix operating system,
it act as a interface between the computer hardware
and user. In unix all the commands are accepted by
sting operation. command interpretor(shell interpretor)
want to execute the command in computer hardware. here the
kernel takes the commands by command interpretor(shell
interpretor) and executes in computer hardware(where the
unix is loaded)Finally it produce the result.

How can you see the command line history?

586

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Name the various commands that are used for the user information in unix.

541

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What is the command to find hidden files in the current directory?

585

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Write a command that will find all text files in a directory such that it does not contain the word "amazing" in any form (that is, it must include the words amazing, amazing, or amazing)?

962

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What does sed command do in unix?

566

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Why is grep called grep?

783

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What are grep patterns?

579

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What is rmdir command?

555

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How do I search a whole word in vim?

693

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Differentiate cat command from more command.

578

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Why is it called grep?

563

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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:

1764

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What does awk stand for?

615

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What is the use of sed command in unix?

601

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What is $0 bash?

650

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