Internal OS
The PRS-T1 runs a heavily modified version of the Android operating system, which Sony mentions in the Legal Notices installed on the device.
Its predecessors run the MontaVista Linux Professional Edition operating system.
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Famous quotes containing the word internal:
“You will see Coleridge—he who sits obscure
In the exceeding lustre and the pure
Intense irradiation of a mind,
Which, with its own internal lightning blind,
Flags wearily through darkness and despair—
A cloud-encircled meteor of the air,
A hooded eagle among blinking owls.”
—Percy Bysshe Shelley (1792–1822)