Answer Posted / harsha

kernal mode has higher priority while user mode has lower
priority.
kernal mode has ability to read user mode but user mode has
not priority to interfare in kernal mode.

Write a command to display a file’s contents in various formats?

633

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What does sed command do in unix?

570

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What does the “echo” command do?

629

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What is command statement?

545

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Which command is used to create a directory?

577

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What is used to type command?

552

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What is the difference between cat and more command?

630

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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:

1769

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What does find command return in unix?

604

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How to find $ai_serual resolved path by using unix

1034

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Which command is used to restrict incoming messages?

597

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Who wrote grep?

589

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Why is awk called awk?

581

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Why is it called grep?

565

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What do chmod, chown, chgrp commands do?

645

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