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Definition: webOS


(1) (Web OS) An operating system designed for Web use only. See Chrome OS.

(2) An open source Linux-based operating system for TVs and appliances from LG. Developed by Palm and introduced on the Palm Pre in 2009, webOS features touchscreen operation and support for Web technologies such as JavaScript, CSS and HTML5.

After HP's acquisition of Palm in 2010, webOS made its way into HP tablets for a short time. HP later dropped its smartphone and tablet lines, making webOS open source (Open webOS). In 2013, LG acquired webOS to replace NetCast for TVs and other devices. For example, an LG smart refrigerator uses webOS. In 2018, LG made webOS open source again (webOS OSE). See HP TouchPad and Palm.