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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70
関連用語
用語に関連する話
用語の使用例
OSによる区切り文字の違い
フォルダの階層構造を表現する
とき、Windows では「¥」で、Linux
や macOS な ど UNIX 系 OS では
「/」で区切って表現する。（例：
C:¥book¥chapter1.txt）
親 デ ィレ クトリ の 指 定
上位のディレクトリを親ディレ
クトリと言い、CUI で相対パスを
指定するときは「..」という記号を
使って「..¥」や「../」のように記述
する。
ル ートデ ィレ クトリ
階層型ファイル構造における最上
位のディレクトリを、枝分かれし
ていく木の幹に例えて根の意味で
ルートディレクトリと言う。管理
者を意味するroot とは異なる。
絶 対 パ スと相 対 パ ス
ファイルの場所を示す
目的のファイルがどのフォルダに保 存されているのか 、その場 所までの経 路を「パス」と言う。
フォルダ は階 層 構 造になっているため、ルートディレクトリからの パスをす べて指 定したも
のを 絶 対 パスと言う。一 方 、現 在 のフォルダ から目的 のフォルダまで の 経 路 を示したもの
が相対パスで、上位のフォルダを「..」で表す。
▶
ぜった い ぱ す
▶
そうた い ぱ す
Keyword
055
「 絶 対 パスを使えばどのディレクトリからでも同じように指 定できるよ。」
フォ ル ダ とデ ィレクトリ
……P69
ホ ー ム デ ィレクトリとカ レントデ ィレクトリ
……P128
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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.