Answer Posted / ravikumar

use touch command to change the date

What is the command to view process running?

673

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Which command will print your home directory on screen?

663

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What does grep v do?

643

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What is the command to find maximum memory taking process on the server?

767

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Explain command to show the space allocation of files?

714

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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:

1848

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Who wrote grep?

658

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What is the use of cut command in unix?

808

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What is the difference between awk and grep?

631

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What is rmdir command?

656

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

691

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Is ‘du’ a command? If so, what is its use?

717

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Give the command for finding the current date.

659

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What do chmod, chown, chgrp commands do?

736

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Why is awk called awk?

664

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