The glossary below contains many of the terms you will find in common use throughout the Symantec Security Response website. Please refer to this list to find definitions of terms and answers to other Internet security-related questions.

DOS disk operating system

An operating system that can be run from within Windows from a command shell. You cannot run Symantec Ghost from a command shell. A Windows 9x computer can be restarted into DOS. Windows Vista/NT/Me/XP/2000 computers cannot be restarted into DOS except with the use of a boot package containing DOS or using the Ghost virtual or boot partition.