Black buck is the ‘state animal’ of which Indian

In shell scripting, $1 represents:

Which command safely iterates over filenames that may contain spaces and newlines in a shell script?

How do you typically make a shell script file executable?

Which command is used to display the current working directory in a Unix-like operating system?

Which operator is used for string equality comparison within `test` or `[` commands in shell scripting?

Which construct replaces a command with its output in a POSIX shell?

Which ETL process step validates and cleans data before loading?

Which command is used to display the last few lines of a file?

What does $# represent in a shell script?

What will be the output of the following script snippet?

    for item in Apple Banana Cherry; do

  echo $item

done