boot sector


Also found in: Dictionary, Thesaurus, Medical, Financial, Acronyms, Wikipedia.
Related to boot sector: Boot sector virus

boot sector

The first sector on a hard disk and in every disk partition. In a partitioned storage device such as a hard disk, the boot sector contains the "partition table." In a non-partitioned device such as a USB drive, the boot sector contains the "volume boot record" (VBR). See master boot record, partition table, MBR disk, GPT and boot.
References in periodicals archive ?
Purpose: This algorithm takes as input the boot sector of disk drive and returns file system information such as file system type and volume serial number.
In general, both executable and boot sector viruses are not very threatening any more.
At bootstrap the computer runs the code located in the boot sector, which has been replaced by virus-code.
It is compatible with PCs and Macs, desktop and laptop computers and comes with FlipBack backup software for complete backup of the internal hard drive, system files and boot sector.
Achilles'Shield for Networks includes a Network Toolkit that gives administrators additional security features, such as certifying of macros with MacroPass, preventing users from disabling the protection, and storing each hard drive's system-critical elements (CMOS, MBR and boot sector) on the server for convenient access and backup.
file, or copying information to a boot sector. Try Antivirus Online (www.av.ibm.com to find out more.
Until 1995, most viruses were either program or boot sector viruses.
* By booting up (starting) your computer from an infected diskette, which is called a boot sector virus.