The virus is brought into a computer _ through an Internet download or a network or floppy-disk file transfer _ on an executable file that has been infected.
42.
Network-attached storage ( NAS ) provides both storage and a file system, like a shared disk file system on top of a storage area network ( SAN ).
43.
Before the development of disk files, text editors and terminals, programs were most often entered on a keypunch keyboard onto 80-column punched cards, one line to a card.
44.
Virtual arrays ( stored in disk files ) allowed storage of far more data elements than could fit in program memory, and could be saved permanently on disk.
45.
Fencing is typically done automatically, by cluster infrastructure such as shared disk file systems, in order to protect processes from other active nodes modifying the resources during node failures.
46.
Query / 36 was not quite the same as SQL, but it had some similarities, especially the ability to very rapidly create a displayed recordset from a disk file.
47.
Shared disk file systems ( also cluster file systems or SAN file systems ) are file systems that can concurrently share access to a single block device from multiple computers.
48.
Users store their own previously written macros in a macro libraries ( a single disk file ), and there is an extensive " permanent " macro library available for all users.
49.
Examples of the latter include human beings and physical objects that have no electronic instantiation ( that is, objects without an existence completely defined by digital objects such as disk files ).
50.
Frequently a disk file system can use a flash memory device as the underlying storage media but it is much better to use a file system specifically designed for a flash device.
