{"categories":["Linux"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fiww.hateblo.jp%2Fentry%2F20251120%2Fdd\" title=\"dd\u3067\u3001append \u304c\u52b9\u304b\u306a\u3044 - \u63ee\u767a\u6027\u306e\u30e1\u30e2\uff12\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","blog_title":"\u63ee\u767a\u6027\u306e\u30e1\u30e2\uff12","url":"https://iww.hateblo.jp/entry/20251120/dd","width":"100%","version":"1.0","author_url":"https://blog.hatena.ne.jp/iww/","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","published":"2025-11-20 08:00:00","type":"rich","description":"\u30e9\u30f3\u30ad\u30f3\u30b0\u53c2\u52a0\u4e2dLinux\u30e9\u30f3\u30ad\u30f3\u30b0\u53c2\u52a0\u4e2d\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0 dd if=/dev/urandom of=/tmp/hoge.bin bs=100K count=1 oflag=append oflag=append \u3092\u3064\u3051\u3066\u3082\u8ffd\u8a18\u306b\u306a\u3089\u306a\u3044\u306a\u305c\u304b\u3068\u3044\u3046\u3068\u3001of= \u3067\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3044\u305f\u6642\u70b9\u3067truncate\u3055\u308c\u308b\u305f\u3081\u3002 \u3088\u3063\u3066\u3055\u3089\u306b\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u5207\u308a\u8a70\u3081\u306a\u3044\u8a2d\u5b9a conv=notrunc \u3092\u3059\u308b dd if=/dev/urandom of=/tmp/hoge.bin bs=100K count=1 oflag=append conv=notrunc linuxjm.sourceforge.io","blog_url":"https://iww.hateblo.jp/","author_name":"iww","image_url":"https://cdn.user.blog.st-hatena.com/default_entry_og_image/42132/1685946694840016","title":"dd\u3067\u3001append \u304c\u52b9\u304b\u306a\u3044"}