What is the use of string function toupper(string)?
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What is the use of ARGV ?
What is the use of string function sub(regex,replacement,string)?
What is the use of string function substr(string,position,max) in AWK?
What is the use of sequence v ?
What is the use of numeric function cos ?
How to print only blank line of file?
What is NR in AWK?
What is the use of sequence xdd ?
I have given many interview question(testing),but i don't konw where is the probleam.yet i have no job,in july 2006 i have passed out.can any body tell me how can i improve my self?or any suggestion.
Write a command to print first and last line using sed command?
Write a command to find the total number of lines in a file without using nr?
Write a command remove all empty lines?