Q. The function of the DOS command and DIR/OD/S is:

A
Display all files with starting letter OD
B
List all files in the current directory and sub directories
C
List all files in the directory including sub directories in datawise
D
None of the above
Solution:

The term DOS can refer to any operating system, but it is most often used as a shorthand for MS-DOS (Microsoft disk operating system). Originally developed by Microsoft for IBM, MS-DOS was the standard operating system for IBM-compatible personal computers.

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