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Disc Operating System (DOS)

Disc Operating System (DOS)
Which command will prevent subsequent changes to the file CBT.EXE?

RENAME + r CBT.EXE
MODE + r CBT.EXE
ATTRIB + r CBT.EXE
COPY + r CBT.EXE

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Disc Operating System (DOS)
Which command is used to backup in DOS 6+ Version

BACKUP
All of the listed here
MSBACKUP
MSBACKEDUP

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Disc Operating System (DOS)
Which of the following filename extension suggests that the file is a backup copy of another file?

COM
TXT
BAS
BAK *

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

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

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Disc Operating System (DOS)
While working with Ms-Dos which command transfers a specific file from one disk to another?

Time
Copy
Diskcopy
Rename

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Disc Operating System (DOS)
External command in DOS are

Sys, ver, vol
Copy, edit, sys, format
Edit, sys, chkdsk
Chkdsk, prompt, date

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MORE MCQ ON Disc Operating System (DOS)

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