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Disc Operating System (DOS)

Disc Operating System (DOS)
Which command displays all the files having the same name but different extensions?

Dir filename.ext
Dir *.sys
Dir *.ext
Dir filename.*

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Disc Operating System (DOS)
When executed from a bootable hard drive, which command will make a formatted floppy disk bootable?

None of these
SYS C: A:
COPY C:DOSCOMMAND.COM A:
ATTRIB C:*.SYS A:
XCOPY C:DOS*.* A:

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Disc Operating System (DOS)
Which command is used to see the contents of a file?

Copy
None of above
Type
Ed

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Disc Operating System (DOS)
Which of the following file names are invalid in MSDOS?

CHECK$.(1)
Qwerty.1?3
Verified.###
MYFILE.DOS

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

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Disc Operating System (DOS)
While working with MS-DOS, which command is used to compare the disk in drive A with the disk in drive B, specifying to compare only first side of each disk, and only the first 8 sectors of each track?

DISKCOPY A: B:/8
DISKCOMP A: B:/l/8
DISKCOMP A: B:/8
DISKCOMP A: B:/l

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