102-500 Commands Practice Questions

What is the difference between the commands test -e path and test -f path?

• AA. They are equivalent options with the same behaviour.
• BB. The -f option tests for a regular file. The -e option tests for an empty file.
• CC. Both options check the existence of the path. The -f option also confirms that it is a regular file.
• DD. The -f option tests for a regular file. The -e option tests for an executable file.

Which of the following commands puts the output of the command date into the shell variable mydate?

• AA. mydate="$(date)"
• BB. mydate="exec date"
• CC. mydate="$((date))"
• DD. mydate="date"
• EE. mydate="${date}"