{"provider_url":"https://hatena.blog","provider_name":"Hatena Blog","url":"https://pakuqi.hatenadiary.org/entry/20110410/1302414268","blog_url":"https://pakuqi.hatenadiary.org/","height":"190","version":"1.0","width":"100%","type":"rich","blog_title":"pakuqi\u306e\u65e5\u8a18","author_name":"pakuqi","author_url":"https://blog.hatena.ne.jp/pakuqi/","categories":["UNIX"],"image_url":"http://userdisk.webry.biglobe.ne.jp/017/860/38/N000/000/000/130227739226316306647_1_20110409004311.jpg","description":"\u7b2c\uff11\uff15\u56de shell\u306e\u306a\u305e\u3001\u305d\u3057\u3066\u30d7\u30ed\u30bb\u30b9\u306e\u505c\u6b62\u51e6\u7406\u25cf\u524d\u56de\u306e\u88dc\u8db3\u30fbfork\u3068exec\u306e\u306a\u305e fork\u3057\u3066exec\u3068\u3044\u3046\u306e\u306f\u77e5\u3063\u3066\u3044\u307e\u3057\u305f\u304c\u4f55\u6545\u3068\u3044\u3046\u306e\u306f\u305a\u3063\u3068\u3082\u3084\u3082\u3084\u3067\u3057\u305f\u3002 fork\u3057\u3066\u304b\u3089exec\u3057\u306a\u3044\u3053\u3068\u306f\u306a\u3044\u306e\u3067\u6700\u521d\u304b\u3089\u76ee\u7684\u3068\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3092\u8d77\u52d5\u3059\u308c\u3070\u826f\u3044\u306e\u306b\u3068\u3002 \u524d\u56de\u3067\u30d1\u30a4\u30d7\u3092\u3084\u308a\u307e\u3057\u305f\u304c\u305d\u308c\u3067\u3084\u3063\u3068\u5206\u304b\u308a\u307e\u3057\u305f\u3002 fork\u3057\u3066\u5206\u8eab\u3092\u4f5c\u3063\u3066\u304b\u3089exec\u3059\u308b\u9593\u306b\u6a19\u6e96\u5165\u51fa\u529b\u3092\u30d1\u30a4\u30d7\u306b\u5207\u308a\u66ff\u3048\u308b\u305f\u3081\u306b\u3001\u5206\u304b\u308c\u3066\u3044\u308b\u3093\u3067\u3059\u306d\u3002\u30fbdup2\u306b\u3064\u3044\u3066 dup2(fildes, fildes2) fildes\u3092fildes2\u306b\u30b3\u30d4\u30fc\u3057\u307e\u3059\u3002 fildes\u306f\u65e2\u306b\u30aa\u30fc\u30d7\u30f3\u3057\u3066\u3044\u308b\u30d5\u30a1\u30a4\u30eb\u306eFD\uff08\u30b3\u30d4\u30fc\u5143\uff09\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fpakuqi.hatenadiary.org%2Fentry%2F20110410%2F1302414268\" title=\"\u7b2c\uff11\uff15\u56de V7\u304b\u3089\u59cb\u3081\u308bUNIX\u8b1b\u5ea7\u3000\u5fa9\u7fd2\u3068\u307e\u3068\u3081\uff08shell\u306e\u306a\u305e\u3001\u305d\u3057\u3066\u30d7\u30ed\u30bb\u30b9\u306e\u505c\u6b62\u51e6\u7406\uff09 - pakuqi\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"\u7b2c\uff11\uff15\u56de V7\u304b\u3089\u59cb\u3081\u308bUNIX\u8b1b\u5ea7\u3000\u5fa9\u7fd2\u3068\u307e\u3068\u3081\uff08shell\u306e\u306a\u305e\u3001\u305d\u3057\u3066\u30d7\u30ed\u30bb\u30b9\u306e\u505c\u6b62\u51e6\u7406\uff09","published":"2011-04-10 14:44:28"}