1 Gigabyte (GB) equals 1,024 Megabytes (MB), which equals 1,048,576 Kilobytes (KB).
1 GB = 1,073,741,824 bytes.
G-List (Grown defect List) -
a list of defective sector reassignments which stores sector reassignments made during the disk operation.
S.M.A.R.T. Reallocated Sectors Count attribute shows the size of the G-List as its raw value.
See also P-List.
GPT (GUID Partition Table) -
a format of partition table as it is stored on a disk.
GPU (Graphics Processing Unit) -
a special-purpose computer chip which renders graphics, mostly 3D.
Group descriptor -
a filesystem structure used in traditional UNIX filesystems (e.g. UFS, ext).
Group descriptor contains information on each group of blocks (called cylinder group)
which in turn contains an i-node table, a free space bitmap, and user data.
GUID (Globally Unique Identifier) -
a unique 128-bit identifier.
It is written as a string of 32 hexadecimal numbers divided into groups and surrounded with braces.
Using GUIDs it is possible to get about 2128 unique values.