Answer Posted / saurabh

This is the output of the command:
>cat skg.txt
aa
aa
bb
cc
bb
dd
cc
ee

--------------

>cat skg.txt | uniq

aa
bb
cc
bb
dd
cc
ee

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:

2274

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1051

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1154

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1127

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Differentiate cat command from more command.

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