{"id":438,"date":"2013-04-01T00:29:00","date_gmt":"2013-03-31T15:29:00","guid":{"rendered":"http:\/\/192.168.2.101\/e-learning\/?p=438"},"modified":"2014-01-23T17:15:54","modified_gmt":"2014-01-23T08:15:54","slug":"touch","status":"publish","type":"post","link":"https:\/\/ssl.amulet.co.jp\/cat-user-linux\/command_line\/touch.html","title":{"rendered":"4.7.\u3000\u7a7a\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u4f5c\u6210 -touch\u30b3\u30de\u30f3\u30c9-"},"content":{"rendered":"<h3>4.7.\u3000\u7a7a\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u4f5c\u6210 -touch\u30b3\u30de\u30f3\u30c9-<\/h3>\n<p><strong>\u3010\u30b3\u30de\u30f3\u30c9\u8aac\u660e\u3011<br \/>\n<\/strong>touch\u30b3\u30de\u30f3\u30c9\u306f\u672c\u6765\u30d5\u30a1\u30a4\u30eb\u306e\u30a2\u30af\u30bb\u30b9\u65e5\u6642\u3084\u4fee\u6b63\u65e5\u6642\u3092\u5909\u66f4\u3059\u308b\u30b3\u30de\u30f3\u30c9\u3067\u3059\u304c\u3001\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306b\u7a7a\uff08\u5bb9\u91cf0\u30d0\u30a4\u30c8\uff09\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3059\u308b\u969b\u306b\u983b\u7e41\u306b\u7528\u3044\u3089\u308c\u307e\u3059\u3002<\/p>\n<p><strong>\u7a7a\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u3069\u3053\u3067\u4f7f\u308f\u308c\u308b\u304b\uff1f<br \/>\n<\/strong>\u7a7a\u306e\u30d5\u30a1\u30a4\u30eb\u306f<strong>\u00a0<\/strong>\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6642\u7b49\u306b\u4f5c\u6210\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n<p><strong>\u3010\u52d5\u753b\u8aac\u660e\u3011<\/strong><br \/>\n\u73fe\u5728\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u4e0a\u306b\u3001\u300ctest3\u300d\u3068\u3044\u3046\u540d\u524d\u306e\u7a7a\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u3063\u3066\u3001\u305d\u306e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u78ba\u304b\u3081\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<blockquote><p>$ touch test3<\/p>\n<p>$ ls -l<\/p><\/blockquote>\n<p>touch\u30b3\u30de\u30f3\u30c9\u4ee5\u5916\u306b\u3082\u7a7a\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3059\u308c\u3070\u5148\u307b\u3069\u3068\u540c\u3058\u3088\u3046\u306b\u7a7a\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n<blockquote><p>$ cp \/dev\/null \u30d5\u30a1\u30a4\u30eb\u540d<\/p><\/blockquote>\n<p>touch\u30b3\u30de\u30f3\u30c9\u3092\u542b\u3081\u3066\u4e0a\u8a18\u306e\u8a18\u8ff0\u304c\u3042\u308c\u3070\u3001\u7a7a\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u308c\u308b\u3053\u3068\u3092\u7406\u89e3\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<div class=\"video-container\">\n<iframe frameborder=\"0\" src=\"https:\/\/www.youtube.com\/embed\/f9-KpztvCnw?rel=0\"><\/iframe>\n<\/div>\n<\/p>\n<p><strong>\u3010\u30aa\u30d7\u30b7\u30e7\u30f3\u8aac\u660e\u3011<br \/>\n<\/strong>touch\u30b3\u30de\u30f3\u30c9\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<blockquote><p>-a\u3000\u6700\u7d42\u30a2\u30af\u30bb\u30b9\u65e5\u6642\u3092\u5909\u66f4\u3059\u308b<br \/>\n-m\u3000\u6700\u7d42\u66f4\u65b0\u65e5\u6642\u3092\u5909\u66f4\u3059\u308b<br \/>\n-c\u3000\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u306a\u3044<br \/>\n-t\u3000\u73fe\u5728\u65e5\u6642\u3067\u306f\u306a\u304f\u3001YYYYMMDDHHMM\u5f62\u5f0f\u3067\u6307\u5b9a\u3057\u305f\u65e5\u6642\u306b\u5909\u66f4\u3059\u308b<\/p><\/blockquote>\n<p>touch\u30b3\u30de\u30f3\u30c9\u306f\u672c\u6765\u30d5\u30a1\u30a4\u30eb\u306e\u30a2\u30af\u30bb\u30b9\u65e5\u6642\u3084\u4fee\u6b63\u65e5\u6642\u3092\u5909\u66f4\u3059\u308b\u30b3\u30de\u30f3\u30c9\u3067\u3059\u3002<br \/>\n\u6700\u3082\u826f\u304f\u5229\u7528\u3055\u308c\u308b\u4f8b\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u3092\u5909\u66f4\u3057\u306a\u3044\u307e\u307e\u3001\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7*\u3092\u73fe\u5728\u306e\u65e5\u4ed8\u3068\u6642\u523b\u306b\u5909\u66f4\u3059\u308b\u30b1\u30fc\u30b9\u3067\u3059\u3002Linux\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u6700\u7d42\u66f4\u65b0\u65e5\u6642\u3068\u6700\u7d42\u30a2\u30af\u30bb\u30b9\u65e5\u6642\u306e\uff12\u3064\u306e\u6642\u9593\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\"ls -l\"\u3067\u8868\u793a\u3055\u308c\u308b\u306e\u306f\u6700\u7d42\u66f4\u65b0\u65e5\u6642\u3067\u3001\"ls -lu\"\u3067\u8868\u793a\u3055\u308c\u308b\u306e\u306f\u6700\u7d42\u30a2\u30af\u30bb\u30b9\u65e5\u6642\u3067\u3059\u3002touch\u30b3\u30de\u30f3\u30c9\u3067\u4f55\u3082\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6307\u5b9a\u3057\u306a\u304b\u3063\u305f\u6642\u306f\u3001\u4e21\u65b9\u306e\u6642\u9593\u304c\u73fe\u5728\u65e5\u6642\u306b\u5909\u66f4\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><span style=\"font-size: 14px;\">*\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7<br \/>\n\u30d5\u30a1\u30a4\u30eb\u306e\u6700\u7d42\u66f4\u65b0\u65e5\u6642\u3084\u6700\u7d42\u30a2\u30af\u30bb\u30b9\u65e5\u6642\u3092\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3068\u547c\u3076\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u304c\u52d5\u304f\u904e\u7a0b\u306b\u304a\u3044\u3066\u3001\u4f55\u3089\u304b\u306e\u4e8b\u8c61\u304c<\/span><span style=\"font-size: 14px;\">\u767a\u751f\u3057\u305f\u6642\u306b\u3001\u30ed\u30b0\u30a4\u30f3\u30d5\u30a1\u30a4\u30eb\u7b49\u306b\u8a18\u9332\u3059\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u7a7a\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u6700\u7d42\u66f4\u65b0\u65e5\u6642\u3060\u3051\u3092\u8a18\u9332\u3059\u308b\u3053\u3068\u3067\u3001\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u8a18\u9332\u3059\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u306f\u5bb9\u6613\u306b\u6539\u3056\u3093\u3055\u308c\u3066\u306f\u4fe1\u983c\u6027\u304c\u5931\u308f\u308c\u308b\u305f\u3081\u3001\u5bfe\u8c61\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u66f8\u304d\u8fbc\u307f\u30fb\u5909\u66f4\u6a29\u9650\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u89b3\u70b9\u304b\u3089\u5236\u9650\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<\/span><span style=\"font-size: 14px;\">\u00a0<\/span><\/p>\n<p><strong>\u3010\u52d5\u753b\u8aac\u660e\u3011<br \/>\n<\/strong>\u30d5\u30a1\u30a4\u30eb\u300ctest\u300d\u306e\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u5909\u66f4\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<blockquote><p>$ ls -l<\/p>\n<p>$ touch test<\/p>\n<p>$ ls -l\u3000\uff08\u6700\u7d42\u66f4\u65b0\u65e5\u6642\u306e\u78ba\u8a8d\uff09<\/p>\n<p>$ ls -lu\u3000\uff08\u6700\u7d42\u30a2\u30af\u30bb\u30b9\u65e5\u6642\u306e\u78ba\u8a8d\uff09<\/p><\/blockquote>\n<p>\u30d5\u30a1\u30a4\u30eb\u300c<span style=\"font-size: 14px;\">test\u300d\u306e\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u306f\u66f4\u65b0\u3055\u308c\u307e\u3057\u305f\u3002<\/span><\/p>\n<p>\u3067\u306f\u3001\u6b21\u306b\u6700\u7d42\u30a2\u30af\u30bb\u30b9\u6642\u523b\u3092\u5909\u66f4\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<blockquote><p>$ ls -lu test\u3000\uff08\u73fe\u5728\u306e\u6700\u7d42\u30a2\u30af\u30bb\u30b9\u65e5\u6642\u306e\u78ba\u8a8d\uff09<\/p>\n<p><span style=\"font-size: 14px;\">$ touch -a test\u3000\uff08\u6700\u7d42\u30a2\u30af\u30bb\u30b9\u65e5\u6642\u306e\u5909\u66f4\uff09<\/span><\/p>\n<p>$ ls -lu test\u3000\uff08\u6700\u7d42\u30a2\u30af\u30bb\u30b9\u6642\u523b\u304c\u5909\u66f4\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\uff09<\/p>\n<p>$ ls -l test\u3000\uff08\u6700\u7d42\u66f4\u65b0\u65e5\u6642\u306f\u5909\u66f4\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\uff09<\/p><\/blockquote>\n<p>\u30d5\u30a1\u30a4\u30eb\u300ctest\u300d\u306e\u6700\u7d42\u30a2\u30af\u30bb\u30b9\u65e5\u6642\u306f\u66f4\u65b0\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p>\u3067\u306f\u3001\u6700\u5f8c\u306b\u6700\u7d42\u66f4\u65b0\u65e5\u6642\u30922012\u5e746\u67087\u65e55\u66427\u5206\u306b\u5909\u66f4\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<blockquote><p>$ touch test2<\/p>\n<p>$ ls -l test2\u3000\uff08\u6700\u7d42\u66f4\u65b0\u65e5\u6642\u3092\u78ba\u8a8d\uff09<\/p>\n<p>$ touch -mt test2 201206070507\u3000\uff08\u6700\u7d42\u66f4\u65b0\u65e5\u6642\u30922012\u5e746\u67087\u65e55\u66427\u5206\u306b\u5909\u66f4\uff09<\/p>\n<p>$ ls -l test2\u3000\uff08\u6700\u7d42\u66f4\u65b0\u65e5\u6642\u304c\u66f4\u65b0\u3055\u308c\u305f\u3053\u3068\u3092\u78ba\u8a8d\uff09<\/p>\n<p>$ ls -lu test2\u3000\uff08\u6700\u7d42\u30a2\u30af\u30bb\u30b9\u65e5\u6642\u306f\u66f4\u65b0\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\uff09<\/p><\/blockquote>\n<p>\u30d5\u30a1\u30a4\u30eb\u300ctest2\u300d\u306e\u6700\u7d42\u66f4\u65b0\u65e5\u6642\u306f\u66f4\u65b0\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<div class=\"video-container\">\n<iframe frameborder=\"0\" src=\"https:\/\/www.youtube.com\/embed\/NDN0IZ3lJCY?rel=0\"><\/iframe>\n<\/div>\n<\/p>\n<p><strong><span style=\"color: #0000ff;\">\u3010\u554f\u984c\u3011<\/span><\/strong><br \/>\n<strong><span style=\"color: #0000ff;\">1. test3\u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u308a\u3001\u6700\u7d42\u66f4\u65b0\u65e5\u6642\u30922005\u5e7410\u67081\u65e50:00\u306b\u8a2d\u5b9a\u3057\u3066\u307f\u307e\u3057\u3087\u3046<\/span><\/strong><br \/>\n<strong><span style=\"color: #0000ff;\">2. \u30c7\u30a3\u30ec\u30af\u30c8\u30eatest4\u306e\u4e2d\u306e\u30d5\u30a1\u30a4\u30eb\u3068\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5168\u3066\u306e\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u66f4\u65b0\u3059\u308b\u30b3\u30de\u30f3\u30c9\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046 <\/span><\/strong><br \/>\n<strong><span style=\"color: #0000ff;\">\u30d2\u30f3\u30c8\uff1a\u4ed6\u306e\u30b3\u30de\u30f3\u30c9\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u3044\u307e\u3059<\/span><\/strong><\/p>\n<div class=\"veu_socialSet veu_socialSet-position-after veu_contentAddSection\"><script>window.twttr=(function(d,s,id){var 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