{"id":52236,"date":"2024-12-03T14:41:00","date_gmt":"2024-12-03T06:41:00","guid":{"rendered":"https:\/\/fwq.ai\/blog\/52236\/"},"modified":"2024-12-03T14:41:00","modified_gmt":"2024-12-03T06:41:00","slug":"linux%e6%9d%83%e9%99%90%e7%9a%84%e6%a6%82%e5%bf%b5%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/52236\/","title":{"rendered":"linux\u6743\u9650\u7684\u6982\u5ff5\u662f\u4ec0\u4e48"},"content":{"rendered":"

<\/b> <\/p>\n

linux\u6743\u9650\u7684\u6982\u5ff5\u662f\u4ec0\u4e48<\/h1>\n

\u5927\u5bb6\u597d\uff0c\u4eca\u5929\u672c\u4eba\u7ed9\u5927\u5bb6\u5e26\u6765\u6587\u7ae0\u300alinux\u6743\u9650\u7684\u6982\u5ff5\u662f\u4ec0\u4e48\u300b<\/span>\uff0c\u6587\u4e2d\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<\/span><\/span>\uff0c\u5982\u679c\u4f60\u5bf9\u6587\u7ae0<\/span>\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u90a3\u5c31\u8bf7\u5404\u4f4d\u670b\u53cb\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427~\u5e0c\u671b\u80fd\u771f\u6b63\u5e2e\u5230\u4f60\u4eec\uff0c\u8c22\u8c22\uff01<\/p>\n

chmod\u547d\u4ee4\u8be6\u89e3<\/h3>\n

\u3000\u3000\u4f7f\u7528\u6743\u9650\uff1a<\/strong>\u6240\u6709\u4f7f\u7528\u8005<\/p>\n

\u3000\u3000\u4f7f\u7528\u65b9\u5f0f\uff1a<\/strong>chmod [-cfvR] [–help] [–version] mode file…<\/p>\n

\u3000\u3000\u8bf4\u660e\uff1a<\/strong><\/p>\n

\u3000\u3000Linux\/Unix \u7684\u6863\u6848\u5b58\u53d6\u6743\u9650\u5206\u4e3a\u4e09\u7ea7 : \u6863\u6848\u62e5\u6709\u8005\u3001\u7fa4\u7ec4\u3001\u5176\u4ed6\u3002\u5229\u7528 chmod \u53ef\u4ee5\u85c9\u4ee5\u63a7\u5236\u6863\u6848\u5982\u4f55\u88ab\u4ed6\u4eba\u6240\u5b58\u53d6\u3002<\/p>\n

\u3000\u3000mode \uff1a\u6743\u9650\u8bbe\u5b9a\u5b57\u4e32\uff0c\u683c\u5f0f\u5982\u4e0b \uff1a[ugoa…][[+-=][rwxX]…][,…]\uff0c\u5176\u4e2du \u8868\u793a\u8be5\u6863\u6848\u7684\u62e5\u6709\u8005\uff0cg \u8868\u793a\u4e0e\u8be5\u6863\u6848\u7684\u62e5\u6709\u8005\u5c5e\u4e8e\u540c\u4e00\u4e2a\u7fa4\u4f53(group)\u8005\uff0co \u8868\u793a\u5176\u4ed6\u4ee5\u5916\u7684\u4eba\uff0ca \u8868\u793a\u8fd9\u4e09\u8005\u7686\u662f\u3002<\/p>\n

\n

+ \u8868\u793a\u589e\u52a0\u6743\u9650\u3001- \u8868\u793a\u53d6\u6d88\u6743\u9650\u3001= \u8868\u793a\u552f\u4e00\u8bbe\u5b9a\u6743\u9650\u3002<\/p>\n

r \u8868\u793a\u53ef\u8bfb\u53d6\uff0cw \u8868\u793a\u53ef\u5199\u5165\uff0cx \u8868\u793a\u53ef\u6267\u884c\uff0cX \u8868\u793a\u53ea\u6709\u5f53\u8be5\u6863\u6848\u662f\u4e2a\u5b50\u76ee\u5f55\u6216\u8005\u8be5\u6863\u6848\u5df2\u7ecf\u88ab\u8bbe\u5b9a\u8fc7\u4e3a\u53ef\u6267\u884c\u3002<\/p>\n<\/blockquote>\n

\n

-c : \u82e5\u8be5\u6863\u6848\u6743\u9650\u786e\u5b9e\u5df2\u7ecf\u66f4\u6539\uff0c\u624d\u663e\u793a\u5176\u66f4\u6539\u52a8\u4f5c<\/p>\n

-f : \u82e5\u8be5\u6863\u6848\u6743\u9650\u65e0\u6cd5\u88ab\u66f4\u6539\u4e5f\u4e0d\u8981\u663e\u793a\u9519\u8bef\u8baf\u606f<\/p>\n

-v : \u663e\u793a\u6743\u9650\u53d8\u66f4\u7684\u8be6\u7ec6\u8d44\u6599<\/p>\n

-R : \u5bf9\u76ee\u524d\u76ee\u5f55\u4e0b\u7684\u6240\u6709\u6863\u6848\u4e0e\u5b50\u76ee\u5f55\u8fdb\u884c\u76f8\u540c\u7684\u6743\u9650\u53d8\u66f4(\u5373\u4ee5\u9012\u56de\u7684\u65b9\u5f0f\u9010\u4e2a\u53d8\u66f4)<\/p>\n

–help : \u663e\u793a\u8f85\u52a9\u8bf4\u660e<\/p>\n

–version : \u663e\u793a\u7248\u672c<\/p>\n<\/blockquote>\n

\u3000\u3000\u8303\u4f8b\uff1a<\/strong><\/p>\n

\u3000\u3000\u5c06\u6863\u6848 file1.txt \u8bbe\u4e3a\u6240\u6709\u4eba\u7686\u53ef\u8bfb\u53d6<\/p>\n

\n

chmod ugo+r file1.txt<\/p>\n<\/blockquote>\n

\u3000\u3000\u5c06\u6863\u6848 file1.txt \u8bbe\u4e3a\u6240\u6709\u4eba\u7686\u53ef\u8bfb\u53d6<\/p>\n

\n

chmod a+r file1.txt<\/p>\n<\/blockquote>\n

\u3000\u3000\u5c06\u6863\u6848 file1.txt \u4e0e file2.txt \u8bbe\u4e3a\u8be5\u6863\u6848\u62e5\u6709\u8005\uff0c\u4e0e\u5176\u6240\u5c5e\u540c\u4e00\u4e2a\u7fa4\u4f53\u8005\u53ef\u5199\u5165\uff0c\u4f46\u5176\u4ed6\u4ee5\u5916\u7684\u4eba\u5219\u4e0d\u53ef\u5199\u5165<\/p>\n

\n

chmod ug+w,o-w file1.txt file2.txt<\/p>\n<\/blockquote>\n

\u3000\u3000\u5c06 ex1.py \u8bbe\u5b9a\u4e3a\u53ea\u6709\u8be5\u6863\u6848\u62e5\u6709\u8005\u53ef\u4ee5\u6267\u884c<\/p>\n

\n

chmod u+x ex1.py<\/p>\n<\/blockquote>\n

\u3000\u3000\u5c06\u76ee\u524d\u76ee\u5f55\u4e0b\u7684\u6240\u6709\u6863\u6848\u4e0e\u5b50\u76ee\u5f55\u7686\u8bbe\u4e3a\u4efb\u4f55\u4eba\u53ef\u8bfb\u53d6<\/p>\n

\n

chmod -R a+r *<\/p>\n<\/blockquote>\n

\u3000\u3000\u6b64\u5916chmod\u4e5f\u53ef\u4ee5\u7528\u6570\u5b57\u6765\u8868\u793a\u6743\u9650\u5982 chmod 777 file<\/p>\n

\u3000\u3000\u8bed\u6cd5\u4e3a\uff1a<\/strong>chmod abc file<\/p>\n

\u3000\u3000\u5176\u4e2da,b,c\u5404\u4e3a\u4e00\u4e2a\u6570\u5b57\uff0c\u5206\u522b\u8868\u793aUser\u3001Group\u3001\u53caOther\u7684\u6743\u9650\u3002<\/p>\n

\u3000\u3000r=4\uff0cw=2\uff0cx=1<\/p>\n

\u3000\u3000\u82e5\u8981rwx\u5c5e\u6027\u52194+2+1=7\uff1b<\/p>\n

\u3000\u3000\u82e5\u8981rw-\u5c5e\u6027\u52194+2=6\uff1b<\/p>\n

\u3000\u3000\u82e5\u8981r-x\u5c5e\u6027\u52194+1=7\u3002<\/p>\n

\u3000\u3000\u8303\u4f8b\uff1a<\/strong><\/p>\n

\u3000\u3000chmod a=rwx file \u548c chmod 777 file \u6548\u679c\u76f8\u540c<\/p>\n

\u3000\u3000chmod ug=rwx,o=x file \u548c chmod 771 file \u6548\u679c\u76f8\u540c<\/p>\n

root<\/strong>\u7684\u6743\u9650<\/p>\n

 chown\u547d\u4ee4\u8be6\u89e3<\/h4>\n

\u3000\u3000\u4f7f\u7528\u6743\u9650\uff1a<\/strong>root<\/p>\n

\u3000\u3000\u4f7f\u7528\u65b9\u5f0f\uff1a<\/strong>chown [-cfhvR] [–help] [–version] user[:group] file…<\/p>\n

\u3000\u3000\u8bf4\u660e\uff1a<\/strong><\/p>\n

\u3000\u3000Linux\/Unix \u662f\u591a\u4eba\u591a\u5de5\u4f5c\u4e1a\u7cfb\u7edf\uff0c\u6240\u6709\u7684\u6863\u6848\u7686\u6709\u62e5\u6709\u8005\u3002\u5229\u7528 chown \u53ef\u4ee5\u5c06\u6863\u6848\u7684\u62e5\u6709\u8005\u52a0\u4ee5\u6539\u53d8\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u8fd9\u4e2a\u6307\u4ee4\u53ea\u6709\u662f\u7531\u7cfb\u7edf\u7ba1\u7406\u8005(root)\u6240\u4f7f\u7528\uff0c\u4e00\u822c\u4f7f\u7528\u8005\u6ca1\u6709\u6743\u9650\u53ef\u4ee5\u6539\u53d8\u522b\u4eba\u7684\u6863\u6848\u62e5\u6709\u8005\uff0c\u4e5f\u6ca1\u6709\u6743\u9650\u53ef\u4ee5\u81ea \u5df1\u7684\u6863\u6848\u62e5\u6709\u8005\u6539\u8bbe\u4e3a\u522b\u4eba\u3002\u53ea\u6709\u7cfb\u7edf\u7ba1\u7406\u8005(root)\u624d\u6709\u8fd9\u6837\u7684\u6743\u9650\u3002<\/p>\n

\n

user : \u65b0\u7684\u6863\u6848\u62e5\u6709\u8005\u7684\u4f7f\u7528\u8005<\/p>\n

IDgroup : \u65b0\u7684\u6863\u6848\u62e5\u6709\u8005\u7684\u4f7f\u7528\u8005\u7fa4\u4f53(group)<\/p>\n

-c : \u82e5\u8be5\u6863\u6848\u62e5\u6709\u8005\u786e\u5b9e\u5df2\u7ecf\u66f4\u6539\uff0c\u624d\u663e\u793a\u5176\u66f4\u6539\u52a8\u4f5c<\/p>\n

-f : \u82e5\u8be5\u6863\u6848\u62e5\u6709\u8005\u65e0\u6cd5\u88ab\u66f4\u6539\u4e5f\u4e0d\u8981\u663e\u793a\u9519\u8bef\u8baf\u606f<\/p>\n

-h : \u53ea\u5bf9\u4e8e\u8fde\u7ed3(link)\u8fdb\u884c\u53d8\u66f4\uff0c\u800c\u975e\u8be5 link \u771f\u6b63\u6307\u5411\u7684\u6863\u6848<\/p>\n

-v : \u663e\u793a\u62e5\u6709\u8005\u53d8\u66f4\u7684\u8be6\u7ec6\u8d44\u6599<\/p>\n

-R : \u5bf9\u76ee\u524d\u76ee\u5f55\u4e0b\u7684\u6240\u6709\u6863\u6848\u4e0e\u5b50\u76ee\u5f55\u8fdb\u884c\u76f8\u540c\u7684\u62e5\u6709\u8005\u53d8\u66f4(\u5373\u4ee5\u9012\u56de\u7684\u65b9\u5f0f\u9010\u4e2a\u53d8\u66f4)<\/p>\n

–help : \u663e\u793a\u8f85\u52a9\u8bf4\u660e<\/p>\n

–version : \u663e\u793a\u7248\u672c<\/p>\n<\/blockquote>\n

\u3000\u3000\u8303\u4f8b\uff1a<\/strong><\/p>\n

\u3000\u3000\u5c06\u6863\u6848 file1.txt \u7684\u62e5\u6709\u8005\u8bbe\u4e3a users \u7fa4\u4f53\u7684\u4f7f\u7528\u8005 jessie<\/p>\n

\n

chown jessie:users file1.txt<\/p>\n<\/blockquote>\n

\u3000\u3000\u5c06\u76ee\u524d\u76ee\u5f55\u4e0b\u7684\u6240\u6709\u6863\u6848\u4e0e\u5b50\u76ee\u5f55\u7684\u62e5\u6709\u8005\u7686\u8bbe\u4e3a users \u7fa4\u4f53\u7684\u4f7f\u7528\u8005 lamport<\/p>\n

\n

chown -R lamport:users *<\/p>\n<\/blockquote>\n

\n

-rw——- (600) — \u53ea\u6709\u5c5e\u4e3b\u6709\u8bfb\u5199\u6743\u9650\u3002<\/p>\n

-rw-r–r– (644) — \u53ea\u6709\u5c5e\u4e3b\u6709\u8bfb\u5199\u6743\u9650\uff1b\u800c\u5c5e\u7ec4\u7528\u6237\u548c\u5176\u4ed6\u7528\u6237\u53ea\u6709\u8bfb\u6743\u9650\u3002<\/p>\n

-rwx—— (700) — \u53ea\u6709\u5c5e\u4e3b\u6709\u8bfb\u3001\u5199\u3001\u6267\u884c\u6743\u9650\u3002<\/p>\n

-rwxr-xr-x (755) — \u5c5e\u4e3b\u6709\u8bfb\u3001\u5199\u3001\u6267\u884c\u6743\u9650\uff1b\u800c\u5c5e\u7ec4\u7528\u6237\u548c\u5176\u4ed6\u7528\u6237\u53ea\u6709\u8bfb\u3001\u6267\u884c\u6743\u9650\u3002<\/p>\n

-rwx–x–x (711) — \u5c5e\u4e3b\u6709\u8bfb\u3001\u5199\u3001\u6267\u884c\u6743\u9650\uff1b\u800c\u5c5e\u7ec4\u7528\u6237\u548c\u5176\u4ed6\u7528\u6237\u53ea\u6709\u6267\u884c\u6743\u9650\u3002<\/p>\n

-rw-rw-rw- (666) — \u6240\u6709\u7528\u6237\u90fd\u6709\u6587\u4ef6\u8bfb\u3001\u5199\u6743\u9650\u3002\u8fd9\u79cd\u505a\u6cd5\u4e0d\u53ef\u53d6\u3002<\/p>\n

-rwxrwxrwx (777) — \u6240\u6709\u7528\u6237\u90fd\u6709\u8bfb\u3001\u5199\u3001\u6267\u884c\u6743\u9650\u3002\u66f4\u4e0d\u53ef\u53d6\u7684\u505a\u6cd5\u3002<\/p>\n<\/blockquote>\n

\u3000\u3000\u4ee5\u4e0b\u662f\u5bf9\u76ee\u5f55\u7684\u4e24\u4e2a\u666e\u901a\u8bbe\u5b9a\uff1a<\/p>\n

\n

drwx—— (700) – \u53ea\u6709\u5c5e\u4e3b\u53ef\u5728\u76ee\u5f55\u4e2d\u8bfb\u3001\u5199\u3002<\/p>\n

drwxr-xr-x (755) – \u6240\u6709\u7528\u6237\u53ef\u8bfb\u8be5\u76ee\u5f55\uff0c\u4f46\u53ea\u6709\u5c5e\u4e3b\u624d\u80fd\u6539\u53d8\u76ee\u5f55\u4e2d\u7684\u5185\u5bb9<\/p>\n<\/blockquote>\n

\u3000\u3000suid\u7684\u4ee3\u8868\u6570\u5b57\u662f4\uff0c\u6bd4\u59824755\u7684\u7ed3\u679c\u662f-rwsr-xr-x<\/p>\n

\u3000\u3000sgid\u7684\u4ee3\u8868\u6570\u5b57\u662f2\uff0c\u6bd4\u59826755\u7684\u7ed3\u679c\u662f-rwsr-sr-x<\/p>\n

\u3000\u3000sticky\u4f4d\u4ee3\u8868\u6570\u5b57\u662f1\uff0c\u6bd4\u59827755\u7684\u7ed3\u679c\u662f-rwsr-sr-t<\/p>\n

\u4ee5\u4e0a\u5c31\u662f\u300alinux\u6743\u9650\u7684\u6982\u5ff5\u662f\u4ec0\u4e48\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8eLinux\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

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