Disc Operating System (DOS)
With DOS, you may use the `*' and `?':

In the extension but not in the drive name or the file name
To represent unspecified characters in a filename
When changing the default settings
Instead of wildcard characters

ANSWER DOWNLOAD EXAMIANS APP

Disc Operating System (DOS)
Which of the following applies to external DOS commands?

External commands can only be executed from a batch file.
External commands are stored on disk separately from COMMAND.COM
External commands reside in RAM until called
External commands must always be used with the /e switch

ANSWER DOWNLOAD EXAMIANS APP