Answer Posted / rahul

grep -nw <charvalue> <filename>

What is the command to compare two files in unix?

630

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hw will u use awk in replacing cahrs and files

2745

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

771

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What is the significance of the 'tee' command?

604

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How do I use grep to search for a file?

590

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What does the metacharacter mean?

620

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What is the comma to display different lines that are found when compare two files?

603

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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:

1775

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How can we use grep command in unix?

625

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What does this command do,"$more readme.txt“?

699

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Describe the usage and functionality of the command rm –r * in unix?

837

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What is the use of sed command in unix?

610

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What are awk commands?

592

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Give the command for finding the current date.

593

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Explain command to show the space allocation of files?

639

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