Operating System (OS)
If you do not know which version of MS-DOS you are working with, which command will you use after having booted your operating system?

DISK command
None of these
FORMAT command
VER command
DIR command

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Operating System (OS)
A spooler is a

Location in memory that maintains the contents of documents until it prints
Queue of print job that are waiting to print
Program that coordinates the print job that are waiting to process
Message sent from the printer to the operating system when a print job is completed

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