Write a command remove all empty lines?
What is the use of format specifier %d ?
How do you Explicit File output?
What are AWK Built-in Variables?
What is the use of sequence <Any other character> ?
What is the use of format specifier %o ?
How to execute an AWK script?
What is the use of RSTART, RLENGTH and match ?
How to print only blank line of file?
What is the use of PRINTF?
What is the use of numeric function rand ?
What is the use of numeric function sin ?
Write a command delete all line except first line?