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NASA Space Station On-Orbit (with Linux)

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For a smooth transition without loss of C&C, loading activities will be switched between Primary, Standby and Backup MDMs as required. Three A31p laptops plus one spare hard drive have already been prepared ( ghosted) by the crew for the new software version. Altogether there are 12 R9-capable PCS A31p laptops available on board, three more than the minimum required to support the transition. Version R9 is very powerful, built on version R8 but with new laptop platforms (A31p ThinkPads), a new Operating System (Linux instead of Solaris), the Mission 12A baseline configuration plus two deltas (patches) for post-12A.1 and post-13A, improved performance, over 6400 displays (>130,000 data points monitored, >50,000 command instances, >17,000 navigation choices), etc.].

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