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Lineo was a thin client and embedded systems company spun out of Caldera Thin Clients, on 20 July 1999.[1][2][3]

Caldera Thin Clients, Inc., had been created as a subsidiary of Caldera, Inc., on 2 September 1998.[4] Caldera Thin Clients' original President and CEO was Roger Gross,[4] who resigned in January 1999.

Lineo's president and CEO, when it reformed under the new name, became Bryan Sparks,[1] who also had been one of the original founders of Caldera, Inc., in 1994. At the time of its creation, Lineo had 14 employees.

Lineo's main product was Embedix, a lightweight Linux distribution for embedded systems, licensed from Caldera Systems, Inc., another subsidiary of Caldera, Inc.[1][4]

Another product was DR-DOS, an MS-DOS–compatible operating system, previously developed by Caldera UK, Ltd. between 1996 and 1999 and originally acquired from Novell by Caldera, Inc., on 23 July 1996.

Through its acquisitions Lineo also had a range of products in many different product categories.

Through a series of acquisitions and mergers, Lineo eventually ballooned to a peak of about 350 employees, with offices in seven countries. The companies that it acquired or merged with were:

  • Zentropix - realtime Linux specialists
  • Rt-Control Inc. - uClinux creators, very small board (uCdimm) vendors
  • Moreton Bay - VPN/Router vendor (located in Brisbane, Australia)
  • United Systems Engineering (USE) - Japanese Linux consulting company
  • Fireplug - Canadian Linux consulting company (ThinLinux product)
  • Inup - High availability Linux
  • Embedded Power Corporation - Realtime and DSP OS (RTXC product)

The Embedix division was purchased and absorbed by Metrowerks.

Parts of the DR-DOS sources were acquired by DeviceLogics in 2002.

Parts of the embedded modules and uClinux software assets (formerly Rt-Control Inc.) were acquired by Arcturus Networks Inc. in 2002[5]

The router division (formerly Moreton Bay) spun out as SnapGear, and was later acquired by CyberGuard and then Secure Computing, and Secure Computing was acquired by McAfee and as of 2008 was still producing the SnapGear brand of VPN/routers.

A former Japanese acquisition and at one time wholly owned subsidiary, United System Engineers, Inc. (USE), now trades as Lineo Solutions.


  1. ^ a b c Caldera. Embedded Linux moved to top priority at Lineo, Inc., formerly known as Caldera Thin Clients, Inc.. Caldera, Inc. press-release as of 20 July 1999 ([1]).
  2. ^ [2]
  3. ^ [3]
  4. ^ a b c Caldera. Caldera creates two wholly-owned subsidiaries. Press-release, 2 September 1998, PR-Newswire ([4]).
  5. ^ "uClinux/uCsimm originators form new startup - News - Linux for Devices". Archived from the original on 2013-01-28. 

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