Answer Posted / uma garg

We can also create a File with

List >Filename
It will create a empty file.

Write a command that will display files in the current directory, in a colored, long format.

668

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Differentiate cat command from more command.

566

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What is the behavioural difference between cmp and diff commands?

664

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Enlist some filename manipulation commands in unix.

539

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Who wrote grep?

570

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How do I search for a file in unix command?

539

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Explain ‘library functions’ with respect to unix commands?

594

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What is the size of time_t?

633

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How do I use grep to search for a file?

574

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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:

1748

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What does grep v grep do?

542

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What do chmod command do?

594

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Does cp command overwrite files?

612

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What is rmdir command?

541

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Write a command that will allow a unix system to shut down in 15 minutes, after which it will perform a reboot.

614

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