Answer Posted / sneha

sed is stream editor.It is use to change one string of text
to another text.

What does #!/ Bin sh do?

599

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What is the use of finger command?

603

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What is difference between grep and find command in unix?

583

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What is the use of awk command in unix?

584

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How do you repeat a command in terminal?

598

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What is the difference between cat command and more command?

602

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What is grep r?

596

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Describe the zip/unzip command using gzip.

615

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Which command is used to delete all files in the current directory and all its sub-directories?

673

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Is grep faster than awk?

569

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Why is awk called awk?

581

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How can we use grep command in unix?

621

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What is .sh file?

624

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What is the use of tee command?

573

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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:

1768

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