Answer Posted / subbareddy kake

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Explain ‘system calls’ with respect to unix commands?

1093

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What is used to type command?

1057

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How does the system know where one command ends and another begins?

2249

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

1228

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What is the difference between cat command and more command?

1202

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What are awk commands?

1156

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What is the significance of the 'tee' command?

1195

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Which unix command lists files/folders in alphabetical order?

1751

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Which command is used to create a directory?

1162

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What is the command to compare two files in unix?

1118

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What does sed command do in unix?

1198

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Why is grep called grep?

1292

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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:

2265

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What is time_t?

1108

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What is awk used for?

1127

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