h. HP (Hewlett-Packard) N/A

Glossary standard receivers and drivers that runs at 20 Mbytes/second, which allows a cable length of up to 3 meters and a transfer rate of up to 20MB per second See also

Ultra2 Wide Low-Voltage

Differential SCSI, Small Computer

System Interface.

workstations can be linked to the file server via a LAN in order to use the file server to access data.

file system The hierarchically organized set of files and directories on a hard disk.

file The basic named unit of data stored on disk filename.

See also directory,

firmware The control software that is embedded in ROM and is always resident regardless of the status of the operating system. It handles the booting of the system, initialization of I/O, and starts the loading of the operating system.

file access permissions The access rights given to a particular file or directory. Every file and directory has a set of access permissions, a code that determines whether a process can perform a requested operation on the file (such as opening the file or writing to it) See also access permissions.

File Manager The HP CDE application that allows you to manage your files and directories, and to set viewing preferences.

floppy diskette A thin, flexible, disk-shaped sheet of plastic that magnetically stores data on its coated surfaces. Floppies are contained within stiff plastic

“envelopes” to protect them from dust, fingerprints, and abrasion.

The floppy drive uses heads

(similar to heads in tape recorders) to read and write data on concentric disk tracks.

floppy drive A device that stores data on a floppy diskette.

filename The name given to a particular file See also absolute pathname, file, pathname.

h

file server A workstation whose primary task is to control the storage and retrieval of data from hard disks. Any number of other

hard disk A type of disk that is rigid—often aluminum—as opposed to a thin plastic diskette, which is flexible.

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