Answer Posted / mohan

find is finding a specific file & directory with perm...
wise,hardlink...

grep : search a specified string on the line. it will take
from output or file

sed: is a editor tool. using this u can do what u want....

What is grep and how do you use it?

569

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Is ‘du’ a command? If so, what is its use?

626

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

610

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Which command is used to find whether the system is 32 bit or 64 bit?

626

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How do I run a whois command?

594

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how to sort the content of the file based on numeric values

1240

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What command will change your prompt to myprompt?

694

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What is the use of egrep command in unix?

622

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What is in grep command?

640

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What is “chmod” command?

560

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How to use grep command to list find the records of a file containing 10 different strings?

643

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What is the comma to show the space allocation of files?

555

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Write a command that will find all text files in a directory such that it does not contain the word "amazing" in any form (that is, it must include the words amazing, amazing, or amazing)?

949

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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:

1752

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What does the command '$ls | wc –l > file1' do?

675

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