Answer Posted / sahil

topas & nmon

Describe the usage and functionality of the command rm –r * in unix?

2105

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

1132

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How is the command '$cat file2 ' different from '$cat >file2 and >> redirection operators ?

1317

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What is merge command in unix?

1514

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What does sed command do in unix?

1202

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What is the significance of the 'tee' command?

1202

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What is the unix command to confirm a remote host is alive or not?

1221

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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:

2273

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What is $0 bash?

1207

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What is the difference between grep and grep?

1137

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What is the function of grep command in unix?

1187

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What does grep v do?

1059

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What does this command do? Cat food 1 > kitty

1588

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How do you grep a case insensitive?

1052

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Explain ‘library functions’ with respect to unix commands?

1175

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