Answer Posted / pawan

to create the file using this command..
$ cat > filename

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

1211

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How does pipe () work?

1088

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

1207

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

1206

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How do I open a port?

1080

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What is updatedb?

1041

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How do I search for a file in unix command?

1014

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What is the comma to show the space allocation of files?

1083

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

1152

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What do know about tee command and its usage?

1173

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What is s and g in sed command?

1114

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What is awk used for?

1123

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

1210

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What is grep short for?

1045

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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:

2262

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