May 2019
Beginner to intermediate
296 pages
6h 58m
Japanese
Content preview from IT用語図鑑 ビジネスで使える厳選キーワード256
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
225
6
I
T
関連用語
用語に関連する話
用語の使用例
仮想マシン
ソフトウェア上 で コンピュー タを 動 か す
ソフトウェア で 仮 想 的 なコンピュータを 実 現 することで 、1 台 のコンピュータの 中 で 複 数 の
OS を動作させるようなソフトウェアを仮想マシンと言う。安価に複数の OS や異なるバー
ジョンを同時に使 用して検 証 用の 環 境として使 えるだけ でなく、負 荷 の 平 準 化などが できる。
一方で、仮 想化のオーバーヘッドがあり性能 の面が 犠 牲になることが ある。
「仮想マシンを使えばmacOS上でWindowsも動かせるね。」
手軽に使える完全仮想化
ハードウェアをBIOS のレベルで
再現してOSを動かすことを完全
仮想化と言い、通常のOSをその
まま実行できる。ソフトウェアで
実行するため処理は遅くなる。
動作がスムーズな準仮想化
ハードウェアをそのまま仮想化
するのではなく、カスタマイズし
た仮想OSを実行する方法を準仮
想化と言い、完全仮想化に比べて
高速に実行できる。
人気を集めるDocker
サーバーなどのインフラとWeb
サービスなどのアプリケーショ
ンをひとまとめにしたコンテナ
としてLinux 上で動作させるツー
ルの1つにDocker がある。
Keyword
200
▶
か そうまし ん
仮想化
……P39
仮想メモリ
……P226
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.