小喵 🐈 says to Ubuntu 台灣社群 3.1 G 的 Windows 7 光碟 md5sum 8.42s user 2.82s system 41% cpu 27.188 total sha256sum 29.88s user 3.40s system 84% cpu 39.405 total sha512sum 20.18s user 3.03s system 86% cpu 26.788 total