Which of the following commands is used to view the contents of a file?

A (Save) is used to store changes made to a file, not to view its contents.

B (Open) is the command used to view the contents of a file because it launches the application associated with the file type and displays the file's content in that application. This action allows the user to read or interact with the data stored within the file.

C (Copy) is used to create a duplicate of a file, not to view its contents.

D (Move) is used to relocate a file from one directory to another, not to view its contents.