Answer Posted / prasanth verkot-accel frontlin

Process means a program in execution

Which unix command lists files/folders in alphabetical order?

1732

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How to display no of records in oracle using unix command?

1159

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What is awk used for?

1115

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What does the command ' $who | sort –logfile > newfile' do?

1265

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How does pipe () work?

1079

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What is grep command in unix with examples?

1197

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How does shebang work?

1056

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Explain how to use grep command to list find the records of a file containing 10 different strings?

1059

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What is updatedb?

1030

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What is $0 bash?

1193

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

1151

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What is the size of time_t?

1198

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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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Explain the terms ‘system calls’ and ‘library functions’ with respect to unix commands?

1201

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What are some command words?

1122

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