Answer Posted / gayathri

echo test just prints test while cat test gives the
contents of the file called test.

How to display no of records in oracle using unix command?

1100

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What does grep v do?

1000

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How do I find previous commands in unix?

1121

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Explain mount and unmount command.

1141

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Explain command to view process running?

1065

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What is the general format of unix command syntax?

1789

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What are the unix commands?

1026

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What is the difference between awk and grep?

1146

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Which command is used to kill the last background job?

1289

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What is the first character of the output in ls l command?

1155

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What is the command to find maximum memory taking process on the server?

1144

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What are the general commands in using unix os for a beginner?

1093

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What is grep r?

1040

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Write a command to display a file’s contents in various formats?

1145

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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:

2201

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