Bash Shell Scripting- Basics of AWK Command to write simple Shell Scripts

The video tutorial provides an in-depth look at the AWK command, comparing it with the Cut command. It explains how to use AWK for field separation and pattern matching, detailing the syntax and options available. The tutorial includes basic examples and advanced usage of AWK, highlighting its ability to handle complex data manipulation tasks in Linux environments.

What is the primary advantage of using the AWK command over the cut command?

• AWK is a graphical tool.

• AWK is faster than cut.

• AWK can handle multiple field separators.

• AWK can only extract characters.

Which command allows you to use patterns as field separators?

• sed

• cut

• grep

• AWK

In AWK, what does the '-F' option specify?

• Function name

• Field separator

• Output format

• File name

What is the default field separator in AWK?

• Tab

• Colon

• Comma

• Space

Which AWK variable represents the current record number?

• NF

• NR

• FS

• RS

How can you print the entire line in AWK?

• Using $0

• Using $1

• Using $NF

• Using $NR

What does the NF variable in AWK represent?

• Number of fields

• Number of files

• Number of functions

• Number of formats

How can you reverse the order of fields in AWK?

• Using the reverse function

• By using the -r option

• Using the sort command

• By specifying fields in reverse order in the print statement

Which AWK variable can be used to print the last field of a record?

• $NR

• $NF

• $1

• $0

What is the purpose of the NR variable in AWK?

• To define the output format

• To count the number of fields

• To specify the field separator

• To track the current record number