Answer:
two million years ago
Thomas Edison, American inventor who, singly or jointly, held a world-record 1,093 patents. In addition, he created the world's first industrial research laboratory.
Explanation:
The working directory is just a file path on your computer that sets the default location of any files you read. If you want to read a file 'file.txt'.
Linux. You do not need Linux as an operating system for your website.
