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Disc Operating System (DOS)

Disc Operating System (DOS)
Which was the last version of MSDOS that was released separately?

6
6.22
6.11
5

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Disc Operating System (DOS)
Only filenames and extensions are to be displayed in wide format, which command you'll use?

Dir/s
Dir a:
Dir/b
Dir/w

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

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

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Disc Operating System (DOS)
The autoexec.bat configuration file

Checks for system polarity
Is also known as config.sys
Contains all windows configuration files
Is run after config.sys on system boot-up
None of these

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

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Disc Operating System (DOS)
Which command will be used to display a column file compression ratio for each file of Double spaced disk?

DIR/S
DIR /C (/C switch introduced in DOS version 6.00)
DIR/B
DIR/W

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