{"id":262,"date":"2016-12-12T20:28:02","date_gmt":"2016-12-12T12:28:02","guid":{"rendered":"https:\/\/blog.freesilo.com\/?p=262"},"modified":"2016-12-12T20:28:02","modified_gmt":"2016-12-12T12:28:02","slug":"linux-%e6%96%87%e4%bb%b6%e6%9d%83%e9%99%90%e7%ae%a1%e7%90%86","status":"publish","type":"post","link":"https:\/\/freesilo.com\/?p=262","title":{"rendered":"linux \u6587\u4ef6\u6743\u9650\u7ba1\u7406"},"content":{"rendered":"<p>linux\u6587\u4ef6\u5c5e\u6027\uff0c\u901a\u8fc7ls\u67e5\u770b<br \/>\n[root@localhost ~]# ls -al<br \/>\ntotal 96<br \/>\ndr-xr-x&#8212;. 14 root root 4096 Aug \u00a04 14:26 .<br \/>\ndr-xr-xr-x. 20 root root 4096 Jul 28 16:59 ..<br \/>\n-rw&#8212;&#8212;-. \u00a01 root root 1298 Jul 27 17:36 anaconda-ks.cfg<br \/>\n-rw&#8212;&#8212;-. \u00a01 root root 1025 Aug \u00a04 10:22 .bash_history<br \/>\n-rw-r&#8211;r&#8211;. \u00a01 root root \u00a0 18 Dec 29 \u00a02013 .bash_logout<\/p>\n<p>ls\uff1alist<\/p>\n<p>\u6587\u4ef6\u7c7b\u578b\uff1a<br \/>\n-\uff1a\u666e\u901a\u6587\u4ef6<br \/>\nl:\u8f6f\u8fde\u63a5\u6587\u4ef6<br \/>\np\uff1a\u7ba1\u9053\u6587\u4ef6<br \/>\nb\uff1a\u5757\u8bbe\u5907\u6587\u4ef6\uff08\u53ef\u4ee5\u8fdb\u884c\u968f\u673a\u8bfb\u53d6\u7684\u8bbe\u5907\uff0c\u6211\u4eec\u79f0\u4e3a\u5757\u8bbe\u5907\uff09<br \/>\nc\uff1a\u5b57\u7b26\u8bbe\u5907\u6587\u4ef6\uff08\u8fdb\u884c\u7ebf\u6027\u8bfb\u53d6\u7684\u8bbe\u5907\uff0c\u6211\u4eec\u79f0\u4e3a\u5b57\u7b26\u8bbe\u5907\uff09<br \/>\ns\uff1a\u5957\u63a5\u5b57\u6587\u4ef6<\/p>\n<p>\u6587\u4ef6\u6743\u9650\uff1a\u9488\u5bf9\u4e09\u7c7b\u5bf9\u8c61\u8fdb\u884c\u5b9a\u4e49<br \/>\n\u5c5e\u4e3b\uff1aowner, u<br \/>\n\u5c5e\u7ec4: group, g<br \/>\n\u5176\u5b83: other, o<\/p>\n<p>\u6bcf\u4e2a\u6587\u4ef6\u90fd\u6709\u5176\u5c5e\u4e3b\u53ca\u5c5e\u7ec4\uff0c\u9664\u6b64\u4e4b\u5916\u90fd\u5f52\u4e3a\u5176\u5b83\u7528\u6237\uff1b<\/p>\n<p>\u6bcf\u7c7b\u5bf9\u8c61\u5bf9\u67d0\u6587\u4ef6\u4e09\u79cd\u8bbf\u95ee\u6743\u9650<br \/>\nr\uff1aReadable \u8bfb\u53d6\u6743\u9650<br \/>\nw\uff1aWritable \u5199\u5165\u6743\u9650<br \/>\nx\uff1aExcutable \u6267\u884c\u6743\u9650<\/p>\n<p>d \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0r-x \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0r-x \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0&#8212;. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a014 root root 4096 Aug \u00a04 14:26 .<br \/>\n\u6587\u4ef6\u7c7b\u578b\u00a0 \u00a0 \u5c5e\u4e3b\u6743\u9650\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u5c5e\u7ec4\u6743\u9650\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0 \u5176\u4ed6\u7528\u6237<\/p>\n<p>\u5bf9\u8c61\u8bbf\u95ee\u6743\u9650<br \/>\nrwx: 111, 7<br \/>\nrw-: 110, 6<br \/>\nr-x: 101<br \/>\nr&#8211;: 100<br \/>\n-wx: 011<br \/>\n-w-: 010<br \/>\n&#8211;x: 001<br \/>\n&#8212;: 000, 0<\/p>\n<p>chmod\uff08change modify\uff09\uff1a\u4fee\u6539\u6587\u4ef6\u6743\u9650<\/p>\n<p>chmod \u9009\u9879 \u6743\u9650\u6a21\u578b \u00a0\u6587\u4ef6\u540d<\/p>\n<p>-R\uff1a\u9012\u5f52\u4fee\u6539\u76ee\u5f55\u4e2d\u7684\u6587\u4ef6\u6743\u9650<\/p>\n<p>chown\uff1a\u4fee\u6539\u6587\u4ef6\u6240\u6709\u8005<br \/>\nchown<br \/>\nchown [OPTION]&#8230; [OWNER][:[GROUP]] FILE&#8230;<br \/>\n-R<\/p>\n<p>chgrp\uff1a\u4fee\u6539\u6587\u4ef6\u7684\u6240\u5c5e\u7ec4<br \/>\nchgrp [OPTION]&#8230; GROUP FILE&#8230;<\/p>\n<p>umask: \u4ecb\u5b9a\u521b\u5efa\u6587\u4ef6\u6216\u76ee\u5f55\u7684\u9ed8\u8ba4\u6743\u9650<br \/>\n\u76ee\u5f55\uff1a777-umask<br \/>\n\u6587\u4ef6\uff1a666-umask<br \/>\n\u5982\u679c\u51cf\u5f97\u7684\u7ed3\u679c\u4e2d\u6709\u6267\u884c\u6743\u9650\uff0c\u4f1a\u5c06\u5bf9\u5e94\u5bf9\u8c61\u7684\u516b\u8fdb\u5236\u6743\u9650\u52a01<\/p>\n<p># umask [MASK]<br \/>\n\u67e5\u770b\u6216\u8bbe\u5b9aumask;<\/p>\n<p>\u901a\u8fc7\u547d\u4ee4\u884c\u8bbe\u5b9a\u4ec5\u5bf9\u5f53\u524dshell\u8fdb\u7a0b\u6709\u6548\uff1b<\/p>\n","protected":false},"excerpt":{"rendered":"<p>linux\u6587\u4ef6\u5c5e\u6027\uff0c\u901a\u8fc7ls\u67e5\u770b [root@localhost ~]# ls &#8230;<br \/><a class=\"read-more-button\" href=\"https:\/\/freesilo.com\/?p=262\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":["post-262","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/freesilo.com\/index.php?rest_route=\/wp\/v2\/posts\/262","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/freesilo.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/freesilo.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/freesilo.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/freesilo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=262"}],"version-history":[{"count":1,"href":"https:\/\/freesilo.com\/index.php?rest_route=\/wp\/v2\/posts\/262\/revisions"}],"predecessor-version":[{"id":263,"href":"https:\/\/freesilo.com\/index.php?rest_route=\/wp\/v2\/posts\/262\/revisions\/263"}],"wp:attachment":[{"href":"https:\/\/freesilo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=262"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/freesilo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=262"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/freesilo.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=262"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}