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[[File:Palmcalc41.png|thumb|Palmcalc41]] [[file:Palmdatebook41.png|right|thumb|Palmdatebook41]] [[file:Palm_hotsync.png|right|thumb|Palm_hotsync]] [[file:Palmtodo41.png|thumb|Palmtodo41]] [[file:Palmnotes41.png|thumb|Palmnotes41]] '''Palm OS''' was a mobile operating system initially developed by [[Palm, Inc.]] for personal digital assistants (PDAs) in 1996. It was later used in smartphones and other mobile devices. Palm OS was designed to be easy to use and provided a suite of basic applications for personal information management.

== History ==
Palm OS was originally developed under the direction of [[Jeff Hawkins]], the founder of Palm Computing, Inc. The first version of Palm OS was released in 1996 on the [[Pilot 1000]] and [[Pilot 5000]] PDAs. Over the years, Palm OS evolved through several versions, adding new features and capabilities.

In 2003, Palm, Inc. was split into two companies: [[palmOne]] and [[PalmSource]]. PalmSource was responsible for the development of Palm OS. In 2005, PalmSource was acquired by [[ACCESS Co., Ltd.]], a Japanese company, and the operating system was renamed to [[Garnet OS]].

== Features ==
Palm OS was known for its simplicity and ease of use. Key features included:
* A [[Graphical user interface|graphical user interface]] with a touchscreen.
* A suite of built-in applications, including [[Calendar (computing)|Calendar]], [[Address Book]], [[To-Do List]], and [[Memo Pad]].
* Support for third-party applications, which could be installed via [[HotSync]].
* A [[Graffiti (Palm OS)|Graffiti]] handwriting recognition system for text input.
* [[Infrared]] and later [[Bluetooth]] and [[Wi-Fi]] connectivity.

== Versions ==
Palm OS went through several major versions:
* '''Palm OS 1.0''': Released in 1996 with the original Pilot devices.
* '''Palm OS 2.0''': Introduced in 1997, added support for [[backlight]]s and [[infrared]] communication.
* '''Palm OS 3.0''': Released in 1998, included support for color screens and enhanced connectivity options.
* '''Palm OS 4.0''': Introduced in 2001, added support for [[Secure Digital|SD cards]] and [[Multimedia Card|MMC]] storage.
* '''Palm OS 5.0''': Released in 2002, transitioned to the [[ARM architecture]] for better performance and multimedia capabilities.
* '''Palm OS 6.0''': Also known as [[Cobalt (Palm OS)|Cobalt]], released in 2004, but it was not widely adopted.

== Devices ==
Palm OS was used in a variety of devices, including:
* [[PalmPilot]]
* [[Palm III]]
* [[Palm V]]
* [[Palm m100 series]]
* [[Tungsten (Palm)|Tungsten series]]
* [[Zire series]]
* [[Treo series]]

== Decline and Legacy ==
The popularity of Palm OS began to decline in the mid-2000s with the rise of more advanced mobile operating systems like [[iOS]] and [[Android (operating system)|Android]]. Palm, Inc. eventually shifted its focus to the [[webOS]] platform, which was introduced in 2009.

Despite its decline, Palm OS had a significant impact on the development of mobile computing and influenced many of the features found in modern smartphones.

== See Also ==
* [[Palm, Inc.]]
* [[webOS]]
* [[Personal digital assistant]]
* [[Smartphone]]
* [[Mobile operating system]]

== Related Pages ==
* [[PalmPilot]]
* [[Palm III]]
* [[Palm V]]
* [[Tungsten (Palm)]]
* [[Zire series]]
* [[Treo series]]
* [[webOS]]

{{Operating systems}}
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[[Category:Mobile operating systems]]
[[Category:Palm OS]]
[[Category:Personal digital assistants]]
[[Category:Discontinued operating systems]]

Palm OS - Revision history

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