What is the use of numeric function log ?
Write a command delete all line except first line?
What are Unary arithmetic operators?
What is FILENAME in AWK?
What is the use of string function sub(regex,replacement)?
What is the use of sequence <Any other character> ?
What is OFS in AWK?
What is the use of string function tolower(string)?
What are Regular Expressions in AWK?
Write a command to find the total number of lines in a file without using nr?
What is the use of string function toupper(string)?
What is the use of numeric function rand ?
How to execute an AWK script?