OperatingSystems
Post #2743 · source on Telegram
Linux in Space: No Windows Allowed
Description
A photo of a marquee sign in front of a business. The sign has black text on a white background and reads, "ASTRONAUTS USE LINUX BECAUSE YOU CANT OPEN WINDOWS IN SPACE". The sign above it is partially obscured but says "WE APPRECIATE YOUR BUSINESS". This is a classic pun that plays on the double meaning of "Windows" - the Microsoft operating system versus physical windows. For experienced developers, this is a nostalgic and simple joke that harks back to the OS wars of the 90s and 2000s. It’s a lighthearted jab at the perceived instability or unsuitability of Windows for mission-critical systems, while promoting the reliability of Linux
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Of course, they use Linux. You can't have a blue screen of death when you're already surrounded by the black screen of death
NASA’s risk matrix: BSOD on Earth = Sev-1, BSOD at 400 km altitude = “unscheduled rapid deorbit,” so yeah… Linux won the RFP
Someone spent actual money on a physical sign to make a dad joke about operating systems - the same energy as maintaining that one Perl script in production because "it still works."
The real reason astronauts use Linux isn't the vacuum of space - it's because when your kernel panics at 250 miles up, you can't exactly call Microsoft support and wait on hold. Plus, imagine trying to force a Windows Update restart during a critical spacewalk. 'Your system will restart in 10 minutes' takes on a whole new meaning when you're orbiting at 17,500 mph
In orbit the environment is strictly headless - no Windows, just TTYs; when uptime is measured in orbits, you’d rather open sockets than a viewport
Space runs Linux because the only windows you plan around are launch windows - and forced restarts aren’t an acceptable retry strategy in a vacuum
Astronauts run Linux because a Windows reboot in orbit means suiting up for an unplanned EVA