[{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","@id":"https:\/\/wiki.edu.vn\/all2jp\/wiki11\/archives\/9016#BlogPosting","mainEntityOfPage":"https:\/\/wiki.edu.vn\/all2jp\/wiki11\/archives\/9016","headline":"unix-dateirechte  – \u30a6\u30a3\u30ad\u30da\u30c7\u30a3\u30a2","name":"unix-dateirechte  – \u30a6\u30a3\u30ad\u30da\u30c7\u30a3\u30a2","description":"before-content-x4 unix-fileright UNIX\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u3068Linux\u3084MacOS\u306a\u3069\u306e\u5c0e\u95a2\u6570\u3078\u306e\u30d5\u30a1\u30a4\u30eb\u8a31\u53ef\u3067\u3059\u3002\u3053\u308c\u3089\u306f\u3001UNIX\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u30e1\u30bf\u30c7\u30fc\u30bf\u307e\u305f\u306f\u4eee\u60f3\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3068\u3057\u3066\u51e6\u7406\u3055\u308c\u308b\u305f\u3081\u3001\u901a\u5e38\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5168\u4f53\u3067\u52b9\u679c\u7684\u3067\u3059\u3002 after-content-x4 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Table of Contents \u30e6\u30fc\u30b6\u30fc\u30af\u30e9\u30b9 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 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Table of Contents\u30e6\u30fc\u30b6\u30fc\u30af\u30e9\u30b9 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] \u57fa\u672c\u7684\u6a29\u5229 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] \u7279\u5225\u306a\u6a29\u5229\/\u5ef6\u9577\u6a29 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] \u6280\u8853\u7684\u306a\u80cc\u666f [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] oktalnotation [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] \u30b7\u30f3\u30dc\u30ea\u30c3\u30af\u8868\u8a18 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] \u30e6\u30fc\u30b6\u30fc\u30af\u30e9\u30b9 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] \u5404INODE\u306b\u306fUNIX\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u304c\u3042\u308a\u307e\u3059\u3002 H.\u6700\u7d42\u7684\u306b\u3001\u3059\u3079\u3066\u306e\u30d5\u30a1\u30a4\u30eb\u3001\u30a2\u30af\u30bb\u30b9\u6a29\u306e\u898f\u5236\u3002\u6b21\u306e\u30e6\u30fc\u30b6\u30fc\u30af\u30e9\u30b9\u306e\u6a29\u5229\u304c\u898f\u5236\u3055\u308c\u3066\u3044\u307e\u3059\u3002        (adsbygoogle = window.adsbygoogle || []).push({});after-content-x4\u30aa\u30fc\u30ca\u30fc \uff08\u82f1\u8a9e \u30e6\u30fc\u30b6\u30fc \uff09\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u4e0a\u306e\u7279\u5b9a\u306e\u30e6\u30fc\u30b6\u30fc\u30a2\u30ab\u30a6\u30f3\u30c8 \u30b0\u30eb\u30fc\u30d7 \uff08\u82f1\u8a9e \u30b0\u30eb\u30fc\u30d7 \uff09\u3001\u7279\u5b9a\u306eUNIX\u30e6\u30fc\u30b6\u30fc\u30b0\u30eb\u30fc\u30d7 \u4ed6\u306e \uff08\u82f1\u8a9e \u305d\u306e\u4ed6 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\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u30ea\u30b9\u30c8\u3068\u306f\u5bfe\u7167\u7684\u306b\u3001\u6a29\u5229\u306f\u7d99\u627f\u3055\u308c\u307e\u305b\u3093\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u306e\u65b0\u3057\u304f\u4f5c\u6210\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u5fc5\u305a\u3057\u3082\u3053\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3068\u540c\u3058\u6a29\u5229\u3092\u6301\u3063\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u751f\u6210\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u53f3\u7ffc\u30de\u30b9\u30af\uff08umask\uff09\u304b\u3089\u6d3e\u751f\u3057\u3066\u3044\u307e\u3059\u3002\u65b0\u3057\u304f\u751f\u6210\u3055\u308c\u305f\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3068\u30d5\u30a1\u30a4\u30eb\u306e\u30b0\u30eb\u30fc\u30d7\u306e\u5272\u308a\u5f53\u3066\u306f\u3001\u6700\u521d\u306b\u3044\u305a\u308c\u304b\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059 \u30a2\u30af\u30c6\u30a3\u30d6 \u30e6\u30fc\u30b6\u30fc\u306e\u30b0\u30eb\u30fc\u30d7\uff08\u4f8b\uff1aLinux\uff09\u307e\u305f\u306f\u30b3\u30f3\u30c6\u30f3\u30c7\u30a3\u30f3\u30b0\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u30b0\u30eb\u30fc\u30d7\uff08BSD UNIX Standard\uff09\u3002        (adsbygoogle = window.adsbygoogle || []).push({});after-content-x4\u7279\u5225\u306a\u6a29\u5229\/\u5ef6\u9577\u6a29 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] setuid SetUID\u30d3\u30c3\u30c8\u3092\u8a2d\u5b9a\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u304c\u5b9f\u884c\u3055\u308c\u305f\u5834\u5408\u3001\u30d7\u30ed\u30bb\u30b9\u306f\u30d5\u30a1\u30a4\u30eb\u6240\u6709\u8005\u306e\u52b9\u679c\u7684\u306a\u30e6\u30fc\u30b6\u30fcID\u3067\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002 \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u5834\u5408\u3001SetUID\u30d3\u30c3\u30c8\u306fUNIX\u304a\u3088\u3073Linux\u30b7\u30b9\u30c6\u30e0\u3067\u7121\u8996\u3055\u308c\u307e\u3059\u3002 FreeBSD\u306f\u3001\u6240\u6709\u8005\uff08UID\uff09\u304c\u3053\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3067\u65b0\u3057\u304f\u4f5c\u6210\u3055\u308c\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u7d99\u627f\u3055\u308c\u308b\u3088\u3046\u306b\u69cb\u6210\u3067\u304d\u307e\u3059\u3002 setgid SetGid\u30d3\u30c3\u30c8\u3092\u8a2d\u5b9a\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u304c\u5b9f\u884c\u3055\u308c\u305f\u5834\u5408\u3001\u305d\u308c\u306b\u3088\u3063\u3066\u751f\u6210\u3055\u308c\u308b\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u6240\u6709\u8005\u30b0\u30eb\u30fc\u30d7\u306e\u6709\u52b9\u306a\u30b0\u30eb\u30fc\u30d7ID\u3067\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002 \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u9069\u7528\u3055\u308c\u308b\u30b0\u30eb\u30fc\u30d7\uff08GID\uff09\u306f\u3001\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3067\u65b0\u3057\u304f\u4f5c\u6210\u3055\u308c\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u7d99\u627f\u3055\u308c\u307e\u3059\u3002 \u30b9\u30c6\u30a3\u30c3\u30ad\u30fc\u30d3\u30c3\u30c8 \u30d3\u30c3\u30c8\u306f\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u4f7f\u7528\u3055\u308c\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u4ed6\u306e\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u30d5\u30a1\u30a4\u30eb\u3092\u524a\u9664\u3067\u304d\u306a\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u904e\u53bb\u306b\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u305d\u3053\u3067\u306f\u3001\u7c98\u7740\u6027\u306e\u30d3\u30c3\u30c8\u304c\u30d7\u30ed\u30b0\u30e9\u30e0\u30b3\u30fc\u30c9\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u5b9f\u884c\u3055\u308c\u305f\u5f8c\u3001RAM\uff08\u30da\u30fc\u30b8\u30f3\u30b0\u306e\u306a\u3044\u30b7\u30b9\u30c6\u30e0\u3092\u4ea4\u63db\u3059\u308b\u5834\u5408\uff09\u306b\u6b8b\u3063\u305f\u3053\u3068\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3057\u305f\u3002 \u6280\u8853\u7684\u306a\u80cc\u666f [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] \u3059\u3079\u3066\u306einode\u3067\u3001\u3059\u3079\u3066\u306e\u60c5\u5831\u3092\u5c0e\u304d\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u308b3\u3064\u306e\u60c5\u5831\u3092\u4fdd\u5b58\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u30d5\u30a1\u30a4\u30eb\u30db\u30eb\u30c0\u30fc\u306e\u30e6\u30fc\u30b6\u30fcID \u6240\u6709\u8005\u30b0\u30eb\u30fc\u30d7\u306e\u30b0\u30eb\u30fc\u30d7ID \u53f3\u7ffc\u30de\u30b9\u30af \u53f3\u7ffc\u30de\u30b9\u30af\u3067\u306f\u3001\u4e0a\u8a18\u306e\u57fa\u672c\u7684\u304a\u3088\u3073\u62e1\u5f35\u3055\u308c\u305f\u6a29\u5229\u304c12\u30d3\u30c3\u30c8\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u3066\u4fdd\u5b58\u3055\u308c\u307e\u3059\u3002 oktalnotation [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] OctalNotation\u306b\u304a\u3051\u308b\u30d5\u30a1\u30a4\u30eb\u6a29\u306e\u8868\u8a18\u306f\u975e\u5e38\u306b\u4e00\u822c\u7684\u3067\u3059\u3002\u3053\u308c\u306f\u30013\u6841\u307e\u305f\u306f4\u6841\u306e\u9577\u3055\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002 1\u6841\u306f\u3001\u9806\u5e8f\u3067\u30e6\u30fc\u30b6\u30fc\u30af\u30e9\u30b9\u3092\u8868\u3057\u307e\u3059 \u30aa\u30fc\u30ca\u30fc \u3001 \u30b0\u30eb\u30fc\u30d7 \u3001 \u4ed6\u306e \u3002\u6570\u5b57\u306f\u30013\u3064\u306e\u6a29\u5229\u304b\u3089\u306e\u5408\u8a08\u3068\u3057\u3066\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u521d\u3081 \u5b9f\u884c\u3059\u308b\u305f\u3081 2 \u66f8\u304f\u305f\u3081\u306b 4 \u8aad\u3080\u305f\u3081\u306b \u5404\u7d44\u307f\u5408\u308f\u305b\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3001\u7570\u306a\u308b\u6570\u5b57\u306b\u306a\u308a\u307e\u3059\u3002 0 \u7279\u5225\u306a\u30b1\u30fc\u30b9\u3068\u3057\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u30af\u30e9\u30b9\u306b\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5bfe\u3059\u308b\u6a29\u5229\u304c\u3042\u308a\u307e\u305b\u3093\u3002 4\u6841\u306e\u9577\u3055\u306e\u30aa\u30af\u30bf\u30eb\u8868\u8a18\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u76ee\u7684\u306e\u305f\u3081\u306b\u30014\u756a\u76ee\u306e\u6570\u5b57\u306e\u524d\u306b\u306f\u3001\u62e1\u5f35\u30d5\u30a1\u30a4\u30eb\u306e\u6a29\u5229\u3092\u8868\u30593\u6841\u306e\u30aa\u30af\u30bf\u30eb\u6570\u304c\u3042\u308a\u307e\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u306e\u6a29\u5229\u306b\u985e\u4f3c\u3057\u3066\u3001\u6570\u5b57\u306f\u305d\u308c\u305e\u308c\u306e\u5834\u5408\u306b\u8a2d\u5b9a\u3055\u308c\u305f\u7279\u5225\u306a\u6a29\u5229\u306e\u5408\u8a08\u3068\u3057\u3066\u5f62\u6210\u3055\u308c\u307e\u3059\u3002 \u30b7\u30f3\u30dc\u30ea\u30c3\u30af\u8868\u8a18 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] \u30aa\u30af\u30bf\u30fc\u30ce\u30fc\u30c8\u3068\u306f\u5bfe\u7167\u7684\u306b\u3001\u30b7\u30f3\u30dc\u30ea\u30c3\u30af\u8868\u8a18\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u6a29\u5229\u3092\u66f8\u304d\u7559\u3081\u308b\u305f\u3081\u306e\u3088\u308a\u7ba1\u7406\u3057\u3084\u3059\u3044\u65b9\u6cd5\u3067\u3059\u3002 3\u3064\u306e\u30e6\u30fc\u30b6\u30fc\u30af\u30e9\u30b9\u306e\u6a29\u5229\u306f\u3001\u5404\u30af\u30e9\u30b9\u306e\u6a29\u5229\u304c\u6f2b\u753b\u3067\u8868\u3055\u308c\u308b\u3053\u3068\u3068\u540c\u3058\u9806\u5e8f\u3067\u8a18\u9332\u3055\u308c\u307e\u3059\u3002\u6700\u521d\u306e\u30ad\u30e3\u30e9\u30af\u30bf\u30fc\u306e\u4ee3\u308f\u308a\u306b\u3053\u308c\u306b\u3042\u308a\u307e\u3059 r \uff08 \u8aad\u3080 \uff09\u8aad\u307f\u53d6\u308a\u30d3\u30c3\u30c8\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3002 2\u4f4d\u306b\u306f1\u3064\u3042\u308a\u307e\u3059 \u306e \uff08 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