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Disc Operating System (DOS)

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

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

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Disc Operating System (DOS)
While working with MS-DOS, which command is used to rename a file named file1.doc to file2.doc from a different directory called dir1?

Ren file1.doc file2.doc
Ren \dir1\file1.doc file2.doc
Ren2.doc \dir\file1.doc
Ren .doc\dir\.doc

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Disc Operating System (DOS)
Which of the following extensions suggest that the file is a backup copy.

Bak
Com
Txt
Bas

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Disc Operating System (DOS)
xcopy command can copy

Directories including subdirectories
All of the listed here
xcopy command can copy
xcopy command can copy

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Disc Operating System (DOS)
While working with MS-DOS which key is used to get the p[revious command used:

F4
F5
F1
F3

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Disc Operating System (DOS)
Which command is used to display a list of deleted files that DOS can undelete?

Undelete/all
None of these
Undelete *.*
Undelete/list

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MORE MCQ ON Disc Operating System (DOS)

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