{"id":156,"date":"2013-05-29T23:50:22","date_gmt":"2013-05-29T15:50:22","guid":{"rendered":"http:\/\/coderbee.net\/?p=156"},"modified":"2013-05-29T23:50:22","modified_gmt":"2013-05-29T15:50:22","slug":"free-%e4%b8%8e-df","status":"publish","type":"post","link":"https:\/\/coderbee.net\/index.php\/linux\/20130529\/156","title":{"rendered":"free \u4e0e df"},"content":{"rendered":"

free \u7528\u4e8e\u67e5\u770b\u5185\u5b58\u7684\u4f7f\u7528\u60c5\u51b5\uff0cdf\u7528\u4e8e\u67e5\u770b\u6587\u4ef6\u7cfb\u7edf\u7684\u78c1\u76d8\u7a7a\u95f4\u4f7f\u7528\u60c5\u51b5\u3002
\n<\/p>\n

free<\/h2>\n

\u663e\u793a\u7cfb\u7edf \u603b\u7684\u548c\u5df2\u4f7f\u7528 \u7684\u5185\u5b58\u3002<\/p>\n

\ncoderbee@coderbee:~$ free -lmt\n                  total       used       free     shared    buffers     cached\nMem:          128        117         10          0          0         48\nLow:           128        117         10\nHigh:            0           0            0\n-\/+ buffers\/cache:      69         58\nSwap:          256        44         211\nTotal:           384        161        222\n<\/code><\/pre>\n
-\/+ buffers\/cache:      69         58<\/code> \u662f\u7f13\u5b58\u6821\u6b63\uff08buffer adjusted\uff09\u3002<\/p>\n
\u9009\u9879<\/h3>\n
    \n
  • -b,  -k,  -m,  -g<\/code>\uff1a\u8868\u793a\u5206\u522b\u4ee5B\u3001KB\u3001MB\u3001GB\u4e3a\u5355\u4f4d\u663e\u793a\u5185\u5b58\u5927\u5c0f\u3002\u9ed8\u8ba4\u662fKB\u3002<\/li>\n
  • -s  delay<\/code>\uff1a\u6bcf\u9694delay\u79d2\u663e\u793a\u4e00\u6b21\u7ed3\u679c\u3002<\/li>\n
  • -c  count<\/code>\uff1a\u663e\u793a\u7ed3\u679ccount\u6b21\uff0c\u9700\u8981-s<\/code>\u9009\u9879\uff0c\u6bcf\u9694delay\u79d2\u663e\u793a\u4e00\u6b21\u7ed3\u679c\uff0c\u4e00\u5171count\u6b21\u3002<\/li>\n
  • -l<\/code>\uff1a\u663e\u793a\u8be6\u7ec6\u7684 \u4f4e\u548c\u9ad8 \u5185\u5b58\u7684\u7edf\u8ba1\u4fe1\u606f\u3002<\/li>\n
  • -o<\/code>\uff1a\u7528\u65e7\u7684\u683c\u5f0f\u8f93\u51fa\uff0c\u7981\u6b62\u8f93\u51fa”buffer adjusted”\u884c\u3002<\/li>\n
  • -t<\/code>\uff1a\u5728\u7ed3\u679c\u7684\u6700\u540e\u9762\u7528\u65b0\u884c\u663e\u793a\u5217\u7684\u603b\u548c\u3002<\/li>\n<\/ul>\n
    df<\/h2>\n
    \u663e\u793a\u6587\u4ef6\u7cfb\u7edf\u78c1\u76d8\u7a7a\u95f4\u4f7f\u7528\u60c5\u51b5\u3002<\/p>\n
    \u7528\u6cd5<\/h3>\n
    df  [option]...   [file]...<\/code><\/p>\n
    \u9009\u9879<\/h3>\n
      \n
    • -a,  --all<\/code>\uff1a\u5305\u62ec\u865a\u62df\u6587\u4ef6\u7cfb\u7edf\u3002<\/li>\n
    • -h,  --human-readable<\/code>\uff1a\u4ee5\u4eba\u7c7b\u53ef\u8bfb\u7684\u683c\u5f0f\u663e\u793a\u5927\u5c0f\uff08\u5982\uff1a1K, 234M,  3G\uff09\u3002<\/li>\n
    • -H,  --si<\/code>\uff1a\u4ee5\u4eba\u7c7b\u53ef\u8bfb\u7684\u683c\u5f0f\u663e\u793a\u5927\u5c0f\uff0c\u4e0d\u8fc7\u662f\u4ee51000\u4e3a\u8fdb\u5236\uff0c\u800c\u4e0d\u662f1024\u3002<\/li>\n
    • --total<\/code>\uff1a\u6700\u540e\u9762\u5355\u72ec\u4e00\u884c\u8f93\u51fa\u7edf\u8ba1\u4fe1\u606f\u3002<\/li>\n
    • -i,  --inodes<\/code>\uff1a\u663e\u793ainode\u4fe1\u606f\u800c\u4e0d\u662f\u5757\u4f7f\u7528\u60c5\u51b5\u3002<\/li>\n
    • \u00b7-B,  –block-size=SIZE\uff1a\u5728\u663e\u793a\u524d\u9664\u4ee5SIZE\uff08\u4e5f\u5c31\u662f\u4ee5SIZE\u4e3a\u5355\u4f4d\u663e\u793a\uff09\uff0c\u5982\uff1a<\/code>-BM`\u4ee51048576\u5b57\u8282\u4e3a\u5355\u4f4d\u3002<\/li>\n
    • -k<\/code>\uff1a\u4e0e--block-size=1K<\/code>\u4e00\u6837\u3002<\/li>\n
    • -T,  --print-type<\/code>\uff1a\u663e\u793a\u6587\u4ef6\u7cfb\u7edf\u7c7b\u578b\u3002<\/li>\n
    • -l,  --local<\/code>\uff1a\u53ea\u9650\u4e8e\u672c\u5730\u6587\u4ef6\u7cfb\u7edf\u3002<\/li>\n
    • -t,  --type=TYPE<\/code>\uff1a\u53ea\u663e\u793a\u6587\u4ef6\u7cfb\u7edf\u7c7b\u578b\u4e3aTYPE\u7684\u3002<\/li>\n
    • -x,  --exclude-type=TYPE<\/code>\uff1a\u6392\u9664\u6587\u4ef6\u7cfb\u7edf\u7c7b\u578b\u4e3aTYPE\u7684\u3002<\/li>\n
    • --no-sync<\/code>\uff1a\u5728\u83b7\u53d6\u4f7f\u7528\u4fe1\u606f\u524d\u4e0d\u8c03\u7528sync<\/code>\uff08\u9ed8\u8ba4\uff09\u3002<\/li>\n<\/ul>\n
      SIZE\u7684\u683c\u5f0f\u4e3a\uff1aKB\u662f1000\uff0c K\u662f1024\uff0cMB\u662f10001000\uff0c M\u662f1024<\/em>1024\uff0c\u7c7b\u63a8\uff1a\u540e\u9762\u5e26\u6709B\u662f1000\u8fdb\u5236\u7684\uff0c\u4e0d\u5e26\u7684\u662f1024\u8fdb\u5236\u7684\u3002<\/strong><\/p>\n
      \u4e3e\u4f8b<\/h3>\n
      \u4ee5\u4eba\u7c7b\u53ef\u8bfb\u7684\u683c\u5f0f\u663e\u793a\u6587\u4ef6\u7cfb\u7edf\u7684\u78c1\u76d8\u7a7a\u95f4\u4f7f\u7528\u60c5\u51b5\uff1a<\/p>\n
      \ncoderbee@coderbee:~$ df -h\nFilesystem      Size  Used Avail Use% Mounted on\n\/dev\/simfs       10G  2.2G  7.9G  22% \/\nnone             64M  8.0K   64M   1% \/dev\nnone             13M   40K   13M   1% \/run\nnone            5.0M     0  5.0M   0% \/run\/lock\nnone             64M     0   64M   0% \/run\/shm\n<\/code><\/pre>\n
      \u4ee5\u4eba\u7c7b\u53ef\u8bfb\u7684\u683c\u5f0f\u3001\u4ee5M\u5b57\u8282\u4e3a\u5355\u4f4d \u663e\u793a\u6587\u4ef6\u7cfb\u7edf\u7684\u78c1\u76d8\u7a7a\u95f4\u4f7f\u7528\u60c5\u51b5\uff1a<\/p>\n
      \ncoderbee@coderbee:~$ df -h -BM\nFilesystem     1M-blocks  Used Available Use% Mounted on\n\/dev\/simfs        10240M 2173M     8068M  22% \/\nnone                 64M    1M       64M   1% \/dev\nnone                 13M    1M       13M   1% \/run\nnone                  5M    0M        5M   0% \/run\/lock\nnone                 64M    0M       64M   0% \/run\/shm\n<\/code><\/pre>\n
      \u663e\u793a\u7cfb\u7edfinode\u4fe1\u606f\uff1a<\/p>\n
      \ncoderbee@coderbee:~$ df -i\nFilesystem      Inodes IUsed   IFree IUse% Mounted on\n\/dev\/simfs     5242880 46369 5196511    1% \/\nnone             16384    88   16296    1% \/dev\nnone             16384    51   16333    1% \/run\nnone             16384     1   16383    1% \/run\/lock\nnone             16384     1   16383    1% \/run\/shm\n<\/code><\/pre>\n
      \u4ee5\u4eba\u7c7b\u53ef\u8bfb\u7684\u683c\u5f0f\u663e\u793a\u6587\u4ef6\u7cfb\u7edf\u7684\u78c1\u76d8\u7a7a\u95f4\u4f7f\u7528\u60c5\u51b5\u53ca\u5408\u8ba1\u4fe1\u606f\uff1a<\/p>\n
      \ncoderbee@coderbee:~$ df --total -h\nFilesystem      Size  Used Avail Use% Mounted on\n\/dev\/simfs       10G  2.2G  7.9G  22% \/\nnone             64M  8.0K   64M   1% \/dev\nnone             13M   40K   13M   1% \/run\nnone            5.0M     0  5.0M   0% \/run\/lock\nnone             64M     0   64M   0% \/run\/shm\ntotal            11G  2.2G  8.1G  21%\n<\/code><\/pre>\n\n
      \u6b22\u8fce\u5173\u6ce8\u6211\u7684\u5fae\u4fe1\u516c\u4f17\u53f7: coderbee\u7b14\u8bb0<\/strong>\uff0c\u53ef\u4ee5\u66f4\u53ca\u65f6\u56de\u590d\u4f60\u7684\u8ba8\u8bba\u3002<\/p>\n
      <\/p>\n","protected":false},"excerpt":{"rendered":"
      free \u7528\u4e8e\u67e5\u770b\u5185\u5b58\u7684\u4f7f\u7528\u60c5\u51b5\uff0cdf\u7528\u4e8e\u67e5\u770b\u6587\u4ef6\u7cfb\u7edf\u7684\u78c1\u76d8\u7a7a\u95f4\u4f7f\u7528\u60c5\u51b5\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[50,49,29],"_links":{"self":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/156"}],"collection":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/comments?post=156"}],"version-history":[{"count":2,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/156\/revisions"}],"predecessor-version":[{"id":158,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/156\/revisions\/158"}],"wp:attachment":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/media?parent=156"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/categories?post=156"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/tags?post=156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}