Disc Operating System (DOS)
To copy the file command.com from drive c: to drive a:

C:A: copy command.com
None of the listed here
Drive c: copy drive a:\command.com
Copy c:\command.com a:

ANSWER DOWNLOAD EXAMIANS APP

Disc Operating System (DOS)
Which of the following applies to external DOS commands?

External commands can only be executed from a batch file.
External commands must always be used with the /e switch
External commands reside in RAM until called
External commands are stored on disk separately from COMMAND.COM

ANSWER DOWNLOAD EXAMIANS APP