Answer Posted / manikantan t s

egrep -e <expresseion 1> -e <expression 2> <file name>

What is the use of tee command?

1166

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What is {} in find command?

1112

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What command will change your prompt to myprompt?

1332

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Can you enlist some commonly used network commands?

1121

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What is the use of find command in unix?

1155

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How do I clear my terminal history?

1174

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

1093

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Who wrote grep?

1071

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

1232

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What does sed command do in unix?

1202

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How to find $ai_serual resolved path by using unix

1757

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Which command is used to kill the last background job?

1337

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Differentiate cat command from more command.

1154

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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:

2272

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Are you in or at the office?

1127

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