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.

Quick I/O

Quick I/O presents a regular Veritas File System file to an application as a raw character device. This allows Quick I/O files to take advantage of asynchronous I/O and direct I/O to and from the disk device, as well as bypassing the UNIX single-writer lock behavior for most file system files.