Backup source of OS (No. 1)

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• View the backup.
• Go to OS.
  • 1 (2019-08-15 (Thu) 17:11:49)
  • 2 (2022-06-21 (Tue) 12:25:27)
  • 3 (2023-10-18 (Wed) 18:52:18)

TITLE:オペレーティングシステム (OS)

- 4つの代替オペレーティングシステム
--  http://www.itmedia.co.jp/enterprise/articles/0606/19/news013.html