Answer Posted / shiva

filters are nothing but it is a command/programme it takes
input from standard input device and modifeied it and gives
the output.unless & untill we use redirection or doller
symbol ie.$

Name the unix command to find how many days the server has been up.

600

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What is time_t?

586

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

768

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What's a command word?

587

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Why is grep called grep?

777

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What is .sh file?

617

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What do chown command do?

536

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Write a command to display a file’s contents in various formats?

623

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What difference between cmp and diff commands?

720

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What are the commands in UNIX to list the files in a Directory?

618

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What is the use of sed command in unix?

597

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What is the use of cut command in unix?

690

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What is grep and how do you use it?

575

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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:

1758

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What is in grep command?

648

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