OS

おーえす
noun
OS, operating system
technicalelectronics
See also: オペレーティングシステム (full form)
1. OS, operating system
The software that manages computer hardware and provides services for programs, such as Windows, macOS, or Linux.
OSを更新(こうしん)する。
Update the operating system.
このパソコンのOSは何(なに)ですか。
What operating system is this computer running?
OSの再(さい)インストールで問題(もんだい)が解決(かいけつ)することがある。
Reinstalling the OS sometimes resolves the problem.

OS (Operating System) is a fundamental computer term used frequently in Japanese.

Common expressions

Common os names in japan

  • Windows (ウィンドウズ)
  • macOS (マックオーエス)
  • iOS (アイオーエス)
  • Android (アンドロイド)

OS is written in the English alphabet in Japanese text.

general
Added 2026.1.29 8:55 · Revised 2026.9.2 13:01
08500/08851_ooesu