Q168
Essential files of MS DOS are
A.
Command.com
B.
Io.sys
C.
Msdos.sys
D.
All of above
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Essential files of MS DOS are Command.com, Io.sys, Msdos.sys. To execute or run a file from MS-DOS, you must run an executable file, which are .exe, .Bat or .com files. If you are uncertain which files in the current directory are executable files, use the DIR command below at the MS-DOS prompt to list .exe files.