H

hard link

A pointer to another file in the same Solaris file system.

High Sierra File System (HSFS)

The file system used for CD-ROMs.

home directory

A location on a local computer or on a server in which users can store their files.

host

Any computer or device on the network that has its own IP address.

hot plugging

Adding or removing system devices while the computer is still running. Both the device and the computer must support hot plugging for it to work.

hot spare pool

A collection of unused hard disk slices that are available to automatically replace a failed disk slice.

hot spares

The individual hard disk slices in a hot spare pool.

hub

A network device that enables several computers to communicate with one another.