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26.6.2\u3001Python 3.9.6\u3067\u3059\u3002os.link\u3001os.unlink\u3001os.open\u3001os.fstat\u3001os.read\u3092\u4f7f\u3044\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u624b\u5143\u306eUnix\u7cfb\u74b0\u5883\u3067\u306e\u89b3\u6e2c\u3067\u3042\u308a\u3001Linux\u30ab\u30fc\u30cd\u30eb\u4e0a\u3067\u5b9f\u884c\u3057\u305f\u8a66\u9a13\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002Linux\u306e\u4ed5\u69d8\u8aac\u660e\u3068\u3001\u5b9f\u884c\u74b0\u5883\u3092\u660e\u793a\u3057\u305f\u5c0f\u3055\u306a\u5b9f\u9a13\u3092\u5206\u3051\u3066\u793a\u3057\u307e\u3059\u3002<\/p>\n<figure><a href=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-unlink-open-file-lifetime-20261022-figure-ba66707d91d6.png\"><img decoding=\"async\" src=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-unlink-open-file-lifetime-20261022-figure-ba66707d91d6.png\" style=\"max-width:100%;height:auto\" alt=\"\u4e00\u6642\u30d5\u30a1\u30a4\u30eb\u306e\u5b9f\u9a13\u3002report\u3068alias\u304c\u3042\u308b\u3068\u30ea\u30f3\u30af\u65702\u3002report\u3092\u6d88\u3059\u30681\u3002alias\u3082\u6d88\u3059\u30680\u3002\u305d\u308c\u3067\u3082\u540c\u3058\u958b\u3044\u305ffd\u304b\u3089\u306f\u5168\u6bb5\u968e\u3067OLD\u304c\u8aad\u3081\u305f\u3002\u540c\u3058report\u540d\u3078NEW\u3092\u4f5c\u3063\u3066\u3082\u3001\u65e2\u5b58fd\u306fOLD\u3092\u53c2\u7167\u3057\u305f\u3002\"><\/a><figcaption>\u540c\u3058\u958b\u3044\u305f\u8a18\u8ff0\u5b50\u3092\u4fdd\u6301\u3057\u3001\u5148\u982d\u3078\u623b\u3057\u3066\u8aad\u3093\u3060\u89b3\u6e2c\u3002\u5bfe\u8c61\u306f\u3053\u306e\u5b9f\u9a13\u5c02\u7528\u306e\u4e00\u6642\u30d5\u30a1\u30a4\u30eb\u3002\u7a7a\u304d\u5bb9\u91cf\u3001\u30af\u30e9\u30c3\u30b7\u30e5\u5f8c\u306e\u72b6\u614b\u3001\u5b89\u5168\u306a\u6d88\u53bb\u3092\u6e2c\u3063\u305f\u3082\u306e\u3067\u306f\u306a\u3044\u3002\u539f\u5bf8\u753b\u50cf\u3092\u958b\u3051\u307e\u3059\u3002<\/figcaption><\/figure>\n<p>\u6700\u521d\u306f\u4e8c\u3064\u306e\u540d\u524d\u304c\u3042\u308a\u3001fd\u3067\u8abf\u3079\u305f\u30ea\u30f3\u30af\u6570\u306f2\u3001\u8aad\u307f\u53d6\u3063\u305f\u5185\u5bb9\u306fOLD\u3067\u3057\u305f\u3002report\u3092\u53d6\u308a\u9664\u304f\u3068report\u306f\u5b58\u5728\u3057\u306a\u304f\u306a\u308a\u3001\u30ea\u30f3\u30af\u6570\u306f1\u3078\u6e1b\u308a\u307e\u3057\u305f\u304c\u3001fd\u304b\u3089\u306fOLD\u304c\u8aad\u3081\u307e\u3057\u305f\u3002\u3055\u3089\u306balias\u3092\u53d6\u308a\u9664\u304f\u3068\u3001\u4e21\u65b9\u306e\u540d\u524d\u304c\u306a\u304f\u306a\u308a\u3001\u30ea\u30f3\u30af\u6570\u306f0\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u305d\u308c\u3067\u3082fd\u304b\u3089\u8aad\u3081\u305f\u5185\u5bb9\u306fOLD\u3067\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u4e09\u6bb5\u968e\u304b\u3089\u78ba\u8a8d\u3067\u304d\u308b\u306e\u306f\u3001\u540d\u524d\u304c\u306a\u304f\u306a\u3063\u305f\u3053\u3068\u3068\u3001\u305d\u306e\u6642\u70b9\u3067\u65e2\u5b58\u306e\u53c2\u7167\u304c\u4f7f\u3048\u306a\u304f\u306a\u308b\u3053\u3068\u304c\u540c\u3058\u3067\u306f\u306a\u3044\u3001\u3068\u3044\u3046\u70b9\u3067\u3059\u3002\u8aad\u307f\u53d6\u308a\u304c\u3067\u304d\u305f\u7406\u7531\u3092\u300c\u524a\u9664\u306b\u5931\u6557\u3057\u305f\u300d\u3068\u89e3\u91c8\u3059\u308b\u3068\u3001\u30ea\u30f3\u30af\u65700\u3068\u3044\u3046\u89b3\u6e2c\u3068\u77db\u76fe\u3057\u307e\u3059\u3002\u524a\u9664\u5bfe\u8c61\u3060\u3063\u305f\u540d\u524d\u306f\u306a\u304f\u306a\u308a\u3001\u958b\u3044\u305f\u53c2\u7167\u304c\u6b8b\u3063\u305f\u72b6\u614b\u3067\u3059\u3002<\/p>\n<h2>\u540c\u3058\u540d\u524d\u3092\u4f5c\u308a\u76f4\u3057\u3066\u3082\u3001\u53e4\u3044\u53c2\u7167\u306f\u5207\u308a\u66ff\u308f\u3089\u306a\u3044<\/h2>\n<p>\u6700\u5f8c\u306b\u3001\u4e21\u65b9\u306e\u540d\u524d\u304c\u306a\u304f\u306a\u3063\u305f\u5f8c\u3067\u3001report\u3068\u3044\u3046\u540d\u524d\u3078NEW\u3068\u6539\u884c\u3092\u6301\u3064\u30d5\u30a1\u30a4\u30eb\u3092\u65b0\u3057\u304f\u4f5c\u308a\u307e\u3057\u305f\u3002report\u3092\u540d\u524d\u304b\u3089\u8aad\u3081\u3070NEW\u3067\u3059\u304c\u3001\u4fdd\u6301\u3057\u3066\u3044\u305ffd\u304b\u3089\u306fOLD\u3067\u3059\u3002fd\u306b\u5bfe\u5fdc\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u306e\u30ea\u30f3\u30af\u6570\u306f0\u306e\u307e\u307e\u3067\u3057\u305f\u3002\u540c\u6642\u70b9\u306e\u30d5\u30a1\u30a4\u30eb\u8b58\u5225\u60c5\u5831\u3082\u6bd4\u8f03\u3057\u3001\u540d\u524d\u304b\u3089\u5f97\u305f\u65b0\u3057\u3044\u5bfe\u8c61\u3068\u3001fd\u304c\u6307\u3059\u53e4\u3044\u5bfe\u8c61\u304c\u7570\u306a\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u540c\u3058\u6587\u5b57\u5217\u3092\u4f7f\u3044\u76f4\u3057\u3066\u3082\u3001\u904e\u53bb\u306b\u958b\u3044\u305f\u53c2\u7167\u306e\u884c\u304d\u5148\u304c\u66f8\u304d\u63db\u308f\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5e38\u99d0\u3059\u308b\u30ed\u30b0\u51fa\u529b\u51e6\u7406\u304c\u53e4\u3044\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3044\u305f\u307e\u307e\u306a\u3089\u3001\u540c\u3058\u30d1\u30b9\u3078\u65b0\u3057\u3044\u30d5\u30a1\u30a4\u30eb\u3092\u7f6e\u3044\u305f\u3060\u3051\u3067\u51fa\u529b\u5148\u304c\u81ea\u52d5\u7684\u306b\u79fb\u308b\u3001\u3068\u8003\u3048\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u51fa\u529b\u51e6\u7406\u304c\u5bfe\u5fdc\u3059\u308b\u65b9\u6cd5\u3067\u958b\u304d\u76f4\u3057\u3084\u5207\u66ff\u3092\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u4f8b\u306f\u9010\u6b21\u5b9f\u884c\u3067\u3001\u9014\u4e2d\u306b\u5225\u306e\u66f8\u304d\u624b\u306f\u3044\u307e\u305b\u3093\u3002\u53e4\u3044\u53c2\u7167\u304b\u3089\u5e38\u306b\u540c\u3058\u5185\u5bb9\u304c\u8aad\u3081\u308b\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3092\u4f5c\u3063\u305f\u308f\u3051\u3067\u306f\u306a\u304f\u3001\u5225\u306e\u51e6\u7406\u304c\u53e4\u3044\u30d5\u30a1\u30a4\u30eb\u3092\u66f8\u304d\u63db\u3048\u308c\u3070\u5185\u5bb9\u3082\u5909\u308f\u308a\u5f97\u307e\u3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man-pages 6.19\u3001<a href=\"https:\/\/man7.org\/linux\/man-pages\/man2\/unlink.2.html\">unlink(2)<\/a>\u3001DESCRIPTION\u3001ERRORS\u3001BUGS\u3002\u672c\u6587\u65e5\u4ed82026\u5e742\u67088\u65e5\u30012026\u5e7410\u670822\u65e5\u4fdd\u5b58\u3002<\/li>\n<li>Linux man-pages 6.19\u3001<a href=\"https:\/\/man7.org\/linux\/man-pages\/man2\/link.2.html\">link(2)<\/a>\u3001DESCRIPTION\u3002\u30cf\u30fc\u30c9\u30ea\u30f3\u30af\u306e\u5225\u540d\u3068\u540c\u4e00\u5bfe\u8c61\u306e\u95a2\u4fc2\u3002<\/li>\n<li>Linux man-pages 6.19\u3001<a href=\"https:\/\/man7.org\/linux\/man-pages\/man2\/open.2.html\">open(2)<\/a>\u3001DESCRIPTION\u3001Open file 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