Answer Posted / swapna

"chgrp" command is used to change groups.

Name the general commands in using unix os for a beginner?

628

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What is unix command?

587

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Describe the usage and functionality of the command rm –r * in unix?

831

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Which command is used to find whether the system is 32 bit or 64 bit?

635

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What will the following command do?

623

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Explain the steps that a shell follows while processing a command.

685

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What is the use of awk command in unix?

585

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How do I find previous commands in unix?

600

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Enumerate some of the most commonly used network commands in unix?

622

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How do I clear my terminal history?

588

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What is used to type command?

550

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How do I use grep to find a file?

583

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What does sed command do in unix?

568

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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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How does pipe () work?

599

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