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

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

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

Internal commands can be run whenever the DOS prompt is displayed
Internal commands are reserved for DOS-level programming
Internal commands are stored on disk separately from COMMAND.COM
Internal commands can only be executed from a batch file

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