Disc Operating System (DOS)
While working with MS-DOS, which command is used to restore only those files modified since the last backup, from the drive A to the currently logged drive or directory?

RESTORE A: *.*/N
RESTORE A: *.*/L
RESTORE A: *.*/S
RESTORE A: *.*/M

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

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

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