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Disc Operating System (DOS)

Disc Operating System (DOS)
Which command is used to undelete delete a bunch of files with extension doc that you have just deleted

All of these
Undelete/all
Undelete *.doc
Undelete

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Disc Operating System (DOS)
Maximum length of DOS command using any optional parameter is

17 characters
127 characters
27 characters
12 characters

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Disc Operating System (DOS)
DIR command is used to

Display a list of files in a directory
Display type of files in a sub directory
All of the listed here
Display contents of files in directory

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Disc Operating System (DOS)
DOS system file consists of

None of these
IBMBIO.COM, IBMDOS.COM, COMMAND.COM
SYS.COM,IBMBIO.COM,IBMDOS.COM
COMMAND.COM, IBMBIO.COM, FORMAT.COM

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Disc Operating System (DOS)
To display the list of all the file of the disk you would type

DIR FILES
COPY
DIR AUTOEXEC.BAT
DIR

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Disc Operating System (DOS)
Which combination of keys allows you to perform a warm boot?

Ctrl+Shift+ENTER
Ctrl+Shift+DEL
Ctrl+Alt+DEL
Ctrl+ESC

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MORE MCQ ON Disc Operating System (DOS)

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