小喵 🐈 says to Ubuntu 台灣社群 631 M 的 iso 檔 md5sum 1.84s user 0.42s system 40% cpu 5.579 total sha256sum 6.01s user 0.43s system 99% cpu 6.461 total sha512sum 4.07s user 0.32s system 98% cpu 4.463 total