Answer Posted / kamal

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

1114

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What are file commands?

1193

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Why is it called a shebang?

1136

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What does sed command do in unix?

1145

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Who wrote grep?

1025

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What is grep r?

1056

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Explain command to show the space allocation of files?

1099

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What is nr in awk command?

1160

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What does grep v do?

1019

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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:

2228

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How do I find previous commands in unix?

1148

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What happens when we execute a unix command?

1111

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What will the following command do?

1093

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

1288

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Explain the terms ‘system calls’ and ‘library functions’ with respect to unix commands?

1177

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