Answer Posted / foulo

User mode is where all the user programmes will execute.
where as in kernel mode all kernel programmes like like
Network driver programs etc., will be execute

What is rmdir command?

1089

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Give the command for finding the current date.

1095

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Does cp command overwrite files?

1179

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

1150

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Can you enlist some commonly used network commands?

1105

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Explain command to display different lines that are found when compare two files?

1151

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What does this command do,"$more readme.txt“?

1148

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Which command will print your home directory on screen?

1072

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What is the use of the command 'ls -x chapter[1-5]' ?

1198

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What is pipe command in unix?

1289

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Why is grep called grep?

1279

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Name the unix command to find how many days the server has been up.

1157

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What are file commands?

1213

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How do I use grep to find a file?

1100

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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:

2252

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