Answer Posted / supriya

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What is a command and examples?

566

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What difference between cmp and diff commands?

706

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How can you see the command line history?

573

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How do I delete files from command prompt?

542

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What is pipe command in unix?

654

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Is there a way to erase all files in the current directory, including all its sub-directories, using only one command?

784

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What is the use of egrep command in unix?

613

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What is the functionality of a top command?

610

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What is the use of awk command in unix?

563

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Enlist some filename manipulation commands in unix.

539

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

746

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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:

1745

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What do chmod command do?

592

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What is $0 bash?

635

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How do I find previous commands in unix?

581

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