External command in DOS are
Copy, edit, sys, format
Edit, sys, chkdsk
Chkdsk, prompt, date
Sys, ver, vol
Answer : B
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1) Which command is used to backup in DOS 6+ Version
2) While working with MS-DOS, which command will you use to display the version?
3) What command is used to reset a MODEM when using the "AT Command Set"?
4) To make file in MS Dos we need command
5) Which of the following applies to external DOS commands?
External commands reside in RAM until called
External commands are stored on disk separately from COMMAND.COM
External commands must always be used with the /e switch
External commands can only be executed from a batch file.
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