Answer Posted / yohannes tizazu

Logical address (virtual address) refers to a memory
location independent of the current assignment of data to
memory

Physical address (absolute address) the absolute location
of unit of data in memory

What is the size of time_t?

1272

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Can you enlist some commonly used network commands?

1158

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What are the unix commands?

1156

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What is difference between grep and find command in unix?

1278

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Does cp command overwrite files?

1271

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What is the search command in unix?

1133

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Which command is used to kill the last background job?

1392

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What do know about tee command and its usage?

1249

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What does the command '$ls | wc –l > file1' do?

1302

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What do chmod command do?

1288

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What is the difference between cat and more command?

1366

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What command is used to switching between users in unix?

1131

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Is command prompt unix?

1225

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What is the functionality of a top command?

1163

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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:

2321

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