Answer Posted / yogita

grep '^..$' a.txt

What is sed awk grep?

1145

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What is merge command in unix?

1518

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What does the “echo” command do?

1165

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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:

2275

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

1178

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Why is it called a shebang?

1202

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What is the difference between grep and grep?

1143

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Are you in or at the office?

1129

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

1247

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What is awk used for?

1142

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How do you repeat a command in terminal?

1241

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

1283

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Is there any method to erase all files in the current directory, along with its all sub-directories, by using only one command?

1237

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Explain ‘library functions’ with respect to unix commands?

1178

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What does 'mkdir' command do in UNIX?

1322

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