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Disc Operating System (DOS)

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

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

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Disc Operating System (DOS)
Which command will be used to display a file within the specified directory of pathname?

Dir \pathname\filename
Dir \pathname\pathname
Dir \pathname
Dir/ch

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Disc Operating System (DOS)
Which command should be used to display all files within the specified subordinate directory of the subdirectory?

Dir \pathname\filename
Dir / ch
Dir \ pathname\pathname
Dir \ pathname

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Disc Operating System (DOS)
While working with MS-DOS, which command is used to specify the colour display, 40 columns and color?

MODE COLOUR
None of these
MODE CO40
MODE CHANGE
MODE/C

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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?

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

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Disc Operating System (DOS)
Which DOS command will format a floppy disk and transfer the system files

FORMAT A: /S
None of these
SYS A:
FORMAT A: /T
SYS C: A:

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