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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Why is copying to USB stick on Linux so damn slow? (lemmy.world)

submitted 3 days ago by WereCat@lemmy.world to c/linux@lemmy.ml

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For context:

I'm copying the same files to the same USB drive for comparison from Windows and from my Fedora 41 Workstation.

Around 10k photos.

Windows PC: Dual Core AMD Athlon from 2009, 4GB RAM, old HDD, takes around 40min to copy the files to USB

Linux PC: 5800X3D, 64GB RAM, NVMe SSD, takes around 3h to copy the same files to the same USB stick

I've tried chagning from NTFS to exFAT but the same result. What can I do to improve this? It's really annoying.

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[–] WereCat@lemmy.world 1 points 19 hours ago

As I've already mentioned, sync does absolutely nothing. The copy took so long that the sync command exited 4 times while the files were still transfering and were nowhere near finishing. Regarding the watch -d grep -e Dirty: -e Writeback: /proc/meminfo command, I did not mention it in this thread but I did try it and yes, there was some almost 900k kB of data in the "Dirty" buffer that went up and down constantly even after I've disabled the caching.