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Disc Operating System (DOS)

Disc Operating System (DOS)
Internal command in Dos are

Time, type, dir
Dir, ren, sys
Del, disk copy, label
Cls, rd label

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

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Disc Operating System (DOS)
To view any currently running Terminate Stay Resident (TSR's) programs you could type:

MEMMAKER
SYS /M
Memory
MEM

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Disc Operating System (DOS)
Which DOS command is used to remove and scan memory and disk from viruses?

MSAV
VSAFE
DEFRAG
SCANDISK

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Disc Operating System (DOS)
Which command is used to clear the screen

All of the listed here
Clear
Cls
Clscreen

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

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