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

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

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

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