Answer Posted / lakshmi

To filter the data from existing file.We can use filters to
extract the data according to our need.

What do chown command do?

1257

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How do I find previous commands in unix?

1247

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What is used to type command?

1101

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What is command statement?

1240

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What are reported commands?

1193

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Which command is used to kill the last background job?

1392

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Which command will print your home directory on screen?

1150

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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?

1285

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What is “chmod” command?

1241

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1253

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What does the md command do?

1199

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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:

2317

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What is the use of awk command in unix?

1189

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What is the difference between grep and grep?

1186

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Why is grep called grep?

1360

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