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Three Types.

How does pipe () work?

1044

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What is s and g in sed command?

1062

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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:

2204

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What is command statement?

1107

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

1242

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Is command prompt unix?

1101

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What do chown command do?

1118

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What does find command return in unix?

1101

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What is awk good for?

1091

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

1151

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Does cp command overwrite files?

1136

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What is ctrl d?

1049

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

1166

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Name the general commands in using unix os for a beginner?

1094

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What is merge command in unix?

1447

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