Bash Shell Scripting- Difference between $@ and $*

The video tutorial explains the differences between the dollar at the rate ($@) and dollar star ($*) symbols in shell scripting. It demonstrates how these symbols handle command line arguments differently, especially when used within for loops and with quotations. The tutorial provides examples to illustrate these differences and offers recommendations on when to use each symbol for handling arguments effectively.

What do dollar at the rate and dollar star represent in shell scripting?

• All system commands

• All shell scripts

• All command line arguments

• All environment variables

What is the output when no command line arguments are passed to a script using dollar at the rate or dollar star?

• The script name

• An empty output

• A default value

• An error message

In a for loop, what does dollar star display when used without escape characters?

• The script name

• Only the first argument

• No output

• All command line arguments

What is the purpose of using a slash symbol with dollar star in a for loop?

• To concatenate arguments

• To split the arguments

• To comment out the line

• To escape the dollar symbol

How does using quotations affect the behavior of dollar star in a for loop?

• It treats all arguments as separate

• It duplicates the arguments

• It treats all arguments as a single argument

• It ignores all arguments

When using dollar at the rate with quotations, how are the arguments treated?

• As separate arguments

• As a single string

• As environment variables

• As a single argument

What is the recommended practice when working with command line arguments in shell scripts?

• Avoid using any quotations

• Use dollar at the rate with quotations

• Use both without any escape characters

• Use dollar star without quotations