Answer Posted / kumar akhila

sed reads the standard input into the pattern space,
performs a sequence of editing commands on the pattern
space, then writes the pattern space to STDOUT.

What is in grep command?

844

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What will the following command do?

811

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Enlist some filename manipulation commands in unix.

747

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What is the significance of the 'tee' command?

820

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how to sort the content of the file based on numeric values

1502

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Does cp command overwrite files?

823

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How do I delete files from command prompt?

793

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

1016

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What is the size of time_t?

887

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What is merge command in unix?

1134

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How do I run a bash script?

805

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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:

1968

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What does grep v do?

759

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Who command in unix?

778

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What is the functionality of a top command?

811

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