Answer Posted / prabha

ufs file system

What is s and g in sed command?

651

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What are some command words?

672

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Name the various commands that are used for the user information in unix.

638

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What is the difference between grep and grep?

671

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What does grep v grep do?

637

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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:

1851

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What does pipe () return?

678

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What is updatedb?

680

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Which command is used to kill the last background job?

886

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What is ctrl d?

687

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How do I use grep to search for a file?

672

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Explain mount and unmount command.

717

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How is the command '$cat file2 ' different from '$cat >file2 and >> redirection operators ?

851

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What are file commands?

748

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What is the search command in unix?

678

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