Is It Wise to Run Arch Linux from a Pen Drive?

November 11, 2025 4 answers
Asked by CuriousCoder92
I'm looking to totally commit to Linux and have a bit of a unique setup. I have 45 GB of free space on my internal disk and a 114 GB pen drive. Here's my plan: 1. I want to dual boot Arch Linux using the available 45 GB, with the pen drive serving as the bootable medium. 2. After I've booted, I'd like to switch things around to have Arch installed on the pen drive and ensure that all vital files, including the Nvidia drivers and Hyperland, are properly set up there. 3. Once I'm satisfied with everything being installed on the pen drive, I plan to completely remove Windows and stick with just Arch Linux. I got some advice saying this could work, but I'd love to hear from anyone with more experience. Is this approach a good idea or should I reconsider?

Answers

PracticalLinxUser
I really think this whole plan is overkill. Pen drives arenโ€™t made for constant use like this, and you could easily wear it out fast. Plus, with 45 GB free, you can install Arch directly on your internal disk without any hassle. If you need more space later, just get an external hard drive. Save yourself the trouble and keep it simple!
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TechSavvyGuy24
Honestly, your plan seems a bit convoluted. If you're thinking of installing Arch to your internal drive and then moving it to a pen drive, that doesnโ€™t really make sense. You have more than enough space on your internal disk to set up Arch along with all necessary drivers. Just go ahead and install it there instead of complicating everything by using a USB.

LinuxLover88: Yeah, I agree! Iโ€™ve heard that you really should have at least 100 GB for a smooth experience with Linux, especially if youโ€™re planning on doing heavier stuff like AI projects.

ArchBuilder77: If you're set on a portable OS, consider using an external SSD instead. They're more reliable than pen drives for running an OS.

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FlashDriveFanatic
I installed Arch Endeavour on a flash drive once, and it kind of worked, but I don't know if youโ€™re aiming to build Arch from the ground up. Just be cautious about the performance limits of running an OS from a USB stick.
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BenevolentTechie
You could accomplish this, but it's a bit tricky. I suggest backing up your partition using a tool like `dd` to avoid losing data. Just remember to ensure the pendrive is writable. But honestly, running an OS off a USB isnโ€™t ideal for performance, and you could run into wear-and-tear issues quickly.
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