Answer Posted / hari

$tail 7+ filename|head -1

How does pipe () work?

1063

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What is the functionality of a top command?

1085

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What happens when we execute a unix command?

1111

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What are the unix commands?

1059

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

1106

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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:

2232

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

1200

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What do know about tee command?

1129

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Using unix command how to display no of records in oracle?

1139

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What is the search command in unix?

1065

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What is the command to view process running?

1092

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What is the use of tee command?

1114

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What is the nmap command?

1159

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What is in grep command?

1138

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What are the differences among a system call, a library function, and a unix command?

1174

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