{"id":148,"date":"2025-07-09T19:14:03","date_gmt":"2025-07-09T11:14:03","guid":{"rendered":"http:\/\/www.tgwttt.xyz\/?p=148"},"modified":"2025-11-24T16:41:55","modified_gmt":"2025-11-24T08:41:55","slug":"linux%e6%9d%83%e9%99%90%e7%ae%a1%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.tgwttt.xyz\/?p=148","title":{"rendered":"linux\u6743\u9650\u7ba1\u7406"},"content":{"rendered":"\n<p id=\"ue2914d26\">sudo:\u7528\u6765\u8fdb\u884c\u6307\u5b9a\u77ed\u6682\u63d0\u6743\u7684\uff08\u5982\uff1a\u5b89\u88c5\u8f6f\u4ef6\uff0c\u9700\u8981root\u6743\u9650\uff09<\/p>\n\n\n\n<p id=\"ua2519f5e\">\u4e0b\u9762\u662f\u6587\u4ef6\u7684\u5c5e\u6027\u56fe<\/p>\n\n\n\n<p id=\"u46a4cbea\">\u6743\u9650 \u62e5\u6709\u4eba\u6240\u5c5e\u7ec4<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/cdn.nlark.com\/yuque\/0\/2025\/png\/50466557\/1752049820980-b1867d5b-baea-4797-b48f-5b1b23b7f830.png\" alt=\"\" title=\"\"\/><\/figure>\n\n\n\n<p 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src=\"https:\/\/cdn.nlark.com\/yuque\/0\/2025\/png\/50466557\/1752051889984-2252d51d-54ff-449f-868d-9b09460c2b40.png\" alt=\"\" title=\"\"\/><\/figure>\n\n\n\n<p id=\"ue4455bda\">chmod u+r:\u52a0\u4e0ar\u6743\u9650<\/p>\n\n\n\n<p id=\"u2a5cad29\">chmod g-r:\u53bb\u6389\u6240\u5c5e\u7ec4\u7684r\u6743\u9650<\/p>\n\n\n\n<p id=\"ucbb1e0d2\">chomd o+r:\u7ed9other\u52a0\u4e0ar\u6743\u9650<\/p>\n\n\n\n<p id=\"uaf58d6a3\">chmod a+x:\u7ed9\u6240\u6709\u4eba\u52a0\u4e0ax\u6743\u9650<\/p>\n\n\n\n<p id=\"u415e1778\">\u7528\u6237\u53ea\u80fd\u6539\u81ea\u5df1\u7684\u6587\u4ef6\u7684\u6743\u9650<\/p>\n\n\n\n<p id=\"u6139688e\">chown:\u6539\u53d8\u6240\u5c5e\u4eba<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/cdn.nlark.com\/yuque\/0\/2025\/png\/50466557\/1752056346741-e755b783-6df2-4af8-b029-2d95810131dd.png\" alt=\"\" title=\"\"\/><\/figure>\n\n\n\n<p id=\"ub2dd4bf8\">chgrp:\u6539\u6240\u5c5e\u7ec4<\/p>\n\n\n\n<p 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id=\"u5bdab201\">rwx:<\/p>\n\n\n\n<p id=\"u63006ec6\">r\u6743\u9650\uff1a\u65e0\u6cd5\u67e5\u770b\u76ee\u5f55\u91cc\u9762\u7684\u5185\u5bb9<\/p>\n\n\n\n<p id=\"u8e248449\">w\u6743\u9650\uff1a\u65e0\u6cd5\u521b\u5efa\u6587\u4ef6<\/p>\n\n\n\n<p id=\"ub19ef166\">x\u6743\u9650\uff1a\u4e0d\u80fd\u8fdb\u5165\u76ee\u5f55<\/p>\n\n\n\n<p id=\"ue27765e5\">\u8d85\u7ea7\u7528\u6237\u4e0d\u53d7\u6743\u9650\u7ba1\u675f<\/p>\n\n\n\n<p id=\"u6d82e0bf\">\u9ed8\u8ba4\u65b0\u5efa\u76ee\u5f55\u4e0b\u62e5\u6709\u4eba\u6240\u6709\u6743\u9650\u90fd\u6709<\/p>\n\n\n\n<p id=\"ua22c6a8d\">\u6743\u9650\u63a9\u7801<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/cdn.nlark.com\/yuque\/0\/2025\/png\/50466557\/1752058437229-7bdd4949-1154-45fe-8e2d-a82569082a1a.png\" alt=\"\" title=\"\"\/><\/figure>\n\n\n\n<p id=\"ub6afe6fb\">000 000 010<\/p>\n\n\n\n<p id=\"u10209943\">\u6700\u7ec8\u6743\u9650=\u5176\u5b9e\u6743\u9650&#038;\uff08-umask)\u6309\u4f4d\u4e0e\uff08\u90fd\u4e3a\u4e00\u53d6\u4e00\uff0c\u5176\u4f59\u53d6\u96f6\uff09<\/p>\n\n\n\n<p id=\"uc893df1d\">111 111 111<\/p>\n\n\n\n<p id=\"u65f8c50d\">111 111 101<\/p>\n\n\n\n<p id=\"ue0f0a59f\">&#8212;&#8212;&#8212;&#8211;<\/p>\n\n\n\n<p id=\"u5eb0dba7\">111 111 101 ->775<\/p>\n\n\n\n<p id=\"ub2cacfda\">umask\u4ef7\u503c\uff1a \u5728umask\u4e2d\u51fa\u73b0\u7684\u6743\u9650\uff0c\u65b0\u5efa\u6587\u4ef6\u6743\u9650\u5fc5\u987b\u4e0d\u80fd\u51fa\u73b0<\/p>\n\n\n\n<p id=\"u362c0ac2\">\u4e3a\u4ec0\u4e48\u8981\u6709umask\uff1f<\/p>\n\n\n\n<p id=\"u554660f9\">a.\u9ed8\u8ba4\u6743\u9650\u7531os\u81ea\u4e3b\u51b3\u5b9a\uff0c\u65e0\u6cd5\u5728\u521b\u5efa\u524d\u4fee\u6539<\/p>\n\n\n\n<p 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