Write a command delete all line except first line?
Write a command to rename the files in a directory with "_new" as postfix?
What is the use of numeric function rand ?
What is the use of numeric function sin ?
What is FS in AWK?
In the text file, some lines are delimited by colon and some are delimited by space. Write a command to print the third field of each line.?
Write a command to print the second and third line of a file without using nr?
What are AWK patterns?
What is the use of format specifier %x ?
What are System functions?
What is the use of CONVFMT?
What is the use of string function asorti(string,[d])?
What is the use of sequence ?