{"id":10771,"date":"2020-05-29T16:32:28","date_gmt":"2020-05-29T07:32:28","guid":{"rendered":"http:\/\/www.code-magagine.com\/?p=10771"},"modified":"2023-05-27T21:21:26","modified_gmt":"2023-05-27T12:21:26","slug":"%e3%80%90linux%e3%80%91%e3%80%8c%e6%a8%99%e6%ba%96%e5%85%a5%e5%87%ba%e5%8a%9b%e3%80%8d%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6","status":"publish","type":"post","link":"http:\/\/www.code-magagine.com\/?p=10771","title":{"rendered":"\u3010Linux\u3011\u300c\u6a19\u6e96\u5165\u51fa\u529b\u300d\u3084\u300c\/dev\/null\u300d\u306b\u3064\u3044\u3066"},"content":{"rendered":"<h2>\u6a19\u6e96\u5165\u51fa\u529b\u3068\u306f\uff1f<\/h2>\n<p><span style=\"color: #000000;\">\u30d7\u30ed\u30b0\u30e9\u30e0\u304c<span style=\"color: #ff0000;\"><strong>\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u5229\u7528\u3059\u308b\u30c7\u30fc\u30bf\u306e\u6a19\u6e96\u7684\u306a\u5165\u51fa\u529b\u5143<\/strong><\/span>\u306e\u3053\u3068\u3067\u3059\u3002\u3042\u304f\u307e\u3067\u6a19\u6e96\u306e\u5165\u51fa\u529b\u5148\u306e\u8a71\u306a\u306e\u3067\u305d\u308c\u305e\u308c\u30d1\u30a4\u30d7\u7b49\u3067\u5165\u51fa\u529b\u5148\u3092\u6307\u5b9a\u3059\u308c\u3070\u30b3\u30de\u30f3\u30c9\u9593\u306e\u9023\u643a\u3092\u884c\u3046\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/span><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-10774\" src=\"http:\/\/www.code-magagine.com\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2020-05-29-18.30.23-300x110.png\" alt=\"\" width=\"314\" height=\"115\" srcset=\"http:\/\/www.code-magagine.com\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2020-05-29-18.30.23-300x110.png 300w, http:\/\/www.code-magagine.com\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2020-05-29-18.30.23-768x283.png 768w, http:\/\/www.code-magagine.com\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2020-05-29-18.30.23-1024x377.png 1024w, http:\/\/www.code-magagine.com\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2020-05-29-18.30.23.png 1032w\" sizes=\"(max-width: 314px) 100vw, 314px\" \/><\/p>\n<h3>\u6a19\u6e96\u5165\u529b<\/h3>\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u5165\u529b\u5143\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u6a19\u6e96\u51fa\u529b<\/h3>\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u51fa\u529b\u5148\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u6a19\u6e96\u30a8\u30e9\u30fc\u51fa\u529b<\/h3>\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u51fa\u529b\u5148\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\u30ea\u30c0\u30a4\u30ec\u30af\u30c8<\/h2>\n<p>\u6a19\u6e96\u5165\u51fa\u529b\u5148\u3092\u5909\u66f4\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002<\/p>\n<h3>\u5165\u529b\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8<\/h3>\n<p>\u4f8b\u3048\u3070\u4e0b\u8a18\u306e\u3088\u3046\u306b\u3059\u308c\u3070\u5165\u529b\u5143\u3092\u30d5\u30a1\u30a4\u30eb\u306b\u3067\u304d\u305f\u308a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">\u30b3\u30de\u30f3\u30c9 &lt; \u5165\u529b\u5143\uff08\u30d5\u30a1\u30a4\u30eb\u540d\u7b49\uff09<\/pre>\n<h3>\u51fa\u529b\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8<\/h3>\n<p>\u4e0b\u8a18\u306e\u3088\u3046\u306b\u3059\u308c\u3070\u51fa\u529b\u5148\u3092\u30d5\u30a1\u30a4\u30eb\u306b\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true \">pwd &gt; \u51fa\u529b\u5148\uff08\u30d5\u30a1\u30a4\u30eb\u7b49\uff09<\/pre>\n<h3>\u30a8\u30e9\u30fc\u51fa\u529b\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8<\/h3>\n<p>\u4e0b\u8a18\u306e\u3088\u3046\u306b\u3059\u308b\u3068\u30d5\u30a1\u30a4\u30eb\u306b\u30a8\u30e9\u30fc\u5185\u5bb9\u3092\u51fa\u529b\u3067\u304d\u307e\u3059\u3002\u306a\u304a\u30012\u3068\u3044\u3046\u306e\u306f<span style=\"color: #ff0000;\"><strong>\u300cOS\u304c\u8b58\u5225\u3057\u3066\u3044\u308b\u6a19\u6e96\u30a8\u30e9\u30fc\u51fa\u529b\u306e\u6570\u5024\u300d<\/strong><\/span>\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">pwd 2&gt; \u51fa\u529b\u5148(\u30d5\u30a1\u30a4\u30eb\u540d\u7b49\uff09<\/pre>\n<h3>\u51fa\u529b\u3068\u30a8\u30e9\u30fc\u51fa\u529b\u3092\u307e\u3068\u3081\u308b\u3002<\/h3>\n<p>\uff11\u306f\u6a19\u6e96\u51fa\u529b\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u51fa\u529b\u3057\u305f\u5f8c\u306b\u3001\u300c2&gt;&amp;1\u300d\u3092\u6307\u5b9a\u3059\u308b\u3068\u6a19\u6e96\u30a8\u30e9\u30fc\u51fa\u529b\u3082\u5408\u308f\u305b\u3066\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">pwd &gt; \u51fa\u529b\u5148(\u30d5\u30a1\u30a4\u30eb\u540d\u7b49\uff09 2&gt;&amp;1<\/pre>\n<h2>\/dev\/null\u3068\u306f\uff1f<\/h2>\n<p><span style=\"color: #ff0000;\"><strong>\u5165\u529b\u5143\u3068\u3057\u3066\u3082\u51fa\u529b\u5148\u3068\u3057\u3066\u3082\u4f55\u3082\u8868\u793a\u3055\u308c\u306a\u3044\u7279\u6b8a\u306a\u30d5\u30a1\u30a4\u30eb\u306e\u3053\u3068<\/strong><\/span>\u3067\u3059\u3002Unix\u7cfb\u306eOS\u3067\u306f\u5168\u822c\u7684\u306b\u3088\u304f\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n<h3>\u5165\u529b\u5143\u3068\u3057\u3066\u4f7f\u3046\u5834\u5408<\/h3>\n<h4>\u4f8b<\/h4>\n<pre class=\"lang:default decode:true \">cat &lt; \/dev\/null<\/pre>\n<h4>\u7528\u9014<\/h4>\n<p><span style=\"color: #ff0000;\"><strong>\u30b3\u30de\u30f3\u30c9\u306e\u691c\u8a3c\u7b49\u3067\u300c\u5165\u529b\u3092\u7a7a\u306b\u3057\u3066\u30c6\u30b9\u30c8\u3092\u3057\u305f\u3044\u300d\u5834\u5408<\/strong><\/span>\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002\u305f\u3060\u3001\u5165\u529b\u3068\u3057\u3066\u4f7f\u3046\u3053\u3068\u306f\u53ef\u80fd\u3067\u3059\u304c\u3001<span style=\"color: #ff0000;\"><strong>\u5b9f\u969b\u306e\u6240\u5165\u529b\u5143\u3068\u3057\u3066\u4f7f\u3046\u3053\u3068\u306f\u307b\u307c\u3042\u308a\u307e\u305b\u3093\u3002\u4f7f\u3046\u3068\u3059\u308c\u3070\u51fa\u529b\u5148\u3067\u4f7f\u3046\u3053\u3068\u304c\u30e1\u30a4\u30f3<\/strong><\/span>\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u51fa\u529b\u5148\u3068\u3057\u3066\u4f7f\u3046\u5834\u5408<\/h3>\n<p><span style=\"color: #ff0000;\"><strong>\u3076\u3063\u3061\u3083\u3051\u300c\/dev\/null\u300d\u3092\u3088\u304f\u4f7f\u3046\u30b1\u30fc\u30b9\u3068\u3057\u3066\u306f\u51fa\u529b\u5148\u3068\u3057\u3066\u6307\u5b9a\u3059\u308b\u3053\u3061\u3089\u306e\u30b1\u30fc\u30b9\u306e\u5834\u5408<\/strong><\/span>\u3067\u3059\u3002<\/p>\n<h4>\u4f8b<\/h4>\n<pre class=\"lang:default decode:true\">ls \/test &gt; \/dev\/null<\/pre>\n<h4>\u7528\u9014<\/h4>\n<p><span style=\"color: #ff0000;\"><strong>\u30b3\u30de\u30f3\u30c9\u306e\u51fa\u529b\u7d50\u679c\u3092\u975e\u8868\u793a\u306b\u3057\u305f\u3044\u5834\u5408<\/strong><\/span>\u306b\u4f7f\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u4e0b\u8a18\u306e\u3088\u3046\u306a\u5834\u5408\u306f\u975e\u8868\u793a\u306b\u3057\u305f\u3044\u30b1\u30fc\u30b9\u3067\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li>\u7d50\u679c\u304c\u5927\u91cf\u306b\u51fa\u529b\u3055\u308c\u308b\u5834\u5408<\/li>\n<li>\u7d50\u679c\u3092\u8868\u793a\u3059\u308b\u5fc5\u8981\u6027\u304c\u306a\u304f\u51e6\u7406\u3092\u65e9\u304f\u7d42\u308f\u3089\u305b\u305f\u3044\u5834\u5408<\/li>\n<\/ul>\n<h3>\u6a19\u6e96\u51fa\u529b\u3068\u6a19\u6e96\u30a8\u30e9\u30fc\u51fa\u529b\u3092\u6368\u3066\u305f\u3044\u5834\u5408<\/h3>\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">ls \/test &amp;&gt;\/dev\/null<\/pre>\n<p>\u4ee5\u4e0b\u306e\u6587\u3068\u540c\u7fa9\u3067\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">ls \/test &gt;\/dev\/null 2&gt;&amp;1<\/pre>\n<p>\u6a19\u6e96\u51fa\u529b\u3060\u3051\u3067\u306a\u304f\u3001\u30a8\u30e9\u30fc\u5185\u5bb9\u3082\u7d50\u679c\u3068\u3057\u3066\u51fa\u529b\u3057\u305f\u304f\u306a\u3044\u3088\u3068\u3044\u3063\u305f\u30b1\u30fc\u30b9\u3067\u306f\u4f7f\u3048\u307e\u3059\u3002\uff08\u30a8\u30e9\u30fc\u306e\u6709\u7121\u306f\u3042\u307e\u308a\u95a2\u4fc2\u306a\u3044\u30d0\u30c3\u30c1\u3067\u306f\u4f7f\u3048\u308b\u3002\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"\u6a19\u6e96\u5165\u51fa\u529b\u3068\u306f\uff1f \u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u5229\u7528\u3059\u308b\u30c7\u30fc\u30bf\u306e\u6a19\u6e96\u7684\u306a\u5165\u51fa\u529b\u5143\u306e\u3053\u3068\u3067\u3059\u3002\u3042\u304f\u307e\u3067\u6a19\u6e96\u306e\u5165\u51fa\u529b\u5148\u306e\u8a71\u306a\u306e\u3067\u305d\u308c\u305e\u308c\u30d1\u30a4\u30d7\u7b49\u3067\u5165\u51fa\u529b\u5148\u3092\u6307\u5b9a\u3059\u308c\u3070\u30b3\u30de\u30f3\u30c9\u9593\u306e\u9023\u643a\u3092\u884c\u3046\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002 \u6a19\u6e96\u5165\u529b \u30d7\u30ed [&hellip;]","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[39],"tags":[],"_links":{"self":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/10771"}],"collection":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10771"}],"version-history":[{"count":14,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/10771\/revisions"}],"predecessor-version":[{"id":20341,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/10771\/revisions\/20341"}],"wp:attachment":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10771"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10771"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10771"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}