234 Smart Phone and Next-Generation Mobile Computing
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Applications under GPL licenses are modifiable and extensible.
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License fee is low or nonexistent.
Because Linux can be customized to fit into different mobile
devices with various hardware configurations, it is of great impor-
tance to standardize hardware and software interface and interoper-
ability between conforming devices. To this end, some companies
have formed the Consumer Electronics Linux Forum (CELF) as an
effort to promote advancement of open embedded Linux systems
for consumer electronics devices. Another industry organization, the
Embedded Linux Consortium (ELC), is focused on general embedded
Linux standard development.
Due to the recent development of Linux smart phones and wireless