{"id":251,"date":"2025-11-27T10:08:58","date_gmt":"2025-11-27T03:08:58","guid":{"rendered":"https:\/\/uynghi.com\/?p=251"},"modified":"2025-11-27T10:11:21","modified_gmt":"2025-11-27T03:11:21","slug":"lenh-find-tim-kiem-trong-linux","status":"publish","type":"post","link":"https:\/\/uynghi.com\/lenh-find-tim-kiem-trong-linux\/","title":{"rendered":"L\u1ec7nh Find (t\u00ecm ki\u1ebfm) trong Linux"},"content":{"rendered":"\n

L\u1ec7nh\u00a0find<\/code>\u00a0trong Linux l\u00e0 m\u1ed9t ti\u1ec7n \u00edch m\u1ea1nh m\u1ebd d\u00f9ng \u0111\u1ec3 t\u00ecm ki\u1ebfm t\u1ec7p tin ho\u1eb7c th\u01b0 m\u1ee5c d\u1ef1a tr\u00ean nhi\u1ec1u ti\u00eau ch\u00ed kh\u00e1c nhau nh\u01b0\u00a0t\u00ean, lo\u1ea1i, k\u00edch th\u01b0\u1edbc, ng\u00e0y th\u00e1ng v\u00e0 quy\u1ec1n<\/strong>. N\u00f3 th\u1ef1c hi\u1ec7n t\u00ecm ki\u1ebfm theo th\u1eddi gian th\u1ef1c, b\u1eaft \u0111\u1ea7u t\u1eeb m\u1ed9t th\u01b0 m\u1ee5c \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh.<\/p>\n\n\n\n

C\u00fa ph\u00e1p c\u01a1 b\u1ea3n<\/h2>\n\n\n\n

C\u00fa ph\u00e1p chung l\u00e0 find [th\u01b0 m\u1ee5c b\u1eaft \u0111\u1ea7u] [t\u00f9y ch\u1ecdn] [bi\u1ec3u th\u1ee9c]<\/code>.<\/p>\n\n\n\n

C\u00e1c th\u01b0 m\u1ee5c b\u1eaft \u0111\u1ea7u ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/h2>\n\n\n\n
    \n
  • ~<\/code>\u00a0(d\u1ea5u ng\u00e3): T\u00ecm ki\u1ebfm t\u1eeb th\u01b0 m\u1ee5c ch\u00ednh c\u1ee7a b\u1ea1n (home directory).<\/li>\n\n\n\n
  • .<\/code>\u00a0(d\u1ea5u ch\u1ea5m): T\u00ecm ki\u1ebfm t\u1eeb th\u01b0 m\u1ee5c hi\u1ec7n t\u1ea1i.<\/li>\n\n\n\n
  • \/<\/code>\u00a0(d\u1ea5u g\u1ea1ch ch\u00e9o): T\u00ecm ki\u1ebfm to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng, b\u1eaft \u0111\u1ea7u t\u1eeb th\u01b0 m\u1ee5c g\u1ed1c.<\/li>\n<\/ul>\n\n\n\n

    V\u00ed d\u1ee5 v\u1ec1 c\u00e1c l\u1ec7nh find<\/code> ph\u1ed5 bi\u1ebfn<\/h2>\n\n\n\n

    D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u00e1ch s\u1eed d\u1ee5ng find<\/code> ph\u1ed5 bi\u1ebfn nh\u1ea5t:<\/p>\n\n\n\n

    M\u00f4 t\u1ea3<\/th>L\u1ec7nh<\/th>Gi\u1ea3i th\u00edch<\/th><\/tr>
    T\u00ecm t\u1ec7p theo t\u00ean<\/strong><\/td>find \/home\/user -name filename.txt<\/code><\/td>T\u00ecm ki\u1ebfm t\u1ec7p c\u00f3 t\u00ean filename.txt<\/code> trong th\u01b0 m\u1ee5c \/home\/user<\/code>.<\/td><\/tr>
    T\u00ecm kh\u00f4ng ph\u00e2n bi\u1ec7t ch\u1eef hoa\/th\u01b0\u1eddng<\/strong><\/td>find . -iname filename.txt<\/code><\/td>T\u00ecm ki\u1ebfm t\u1ec7p trong th\u01b0 m\u1ee5c hi\u1ec7n t\u1ea1i (.<\/code>) kh\u1edbp v\u1edbi filename.txt<\/code>, b\u1ecf qua ph\u00e2n bi\u1ec7t ch\u1eef hoa\/th\u01b0\u1eddng (v\u00ed d\u1ee5: t\u00ecm th\u1ea5y Filename.txt<\/code>, FILENAME.TXT<\/code>, v.v.).<\/td><\/tr>
    T\u00ecm t\u1ec7p theo ph\u1ea7n m\u1edf r\u1ed9ng<\/strong><\/td>find \/path\/to\/dir -name \"*.log\"<\/code><\/td>S\u1eed d\u1ee5ng k\u00fd t\u1ef1 \u0111\u1ea1i di\u1ec7n (*<\/code>) \u0111\u1ec3 t\u00ecm t\u1ea5t c\u1ea3 c\u00e1c t\u1ec7p c\u00f3 ph\u1ea7n m\u1edf r\u1ed9ng l\u00e0 .log<\/code> trong th\u01b0 m\u1ee5c \u0111\u00e3 ch\u1ec9 \u0111\u1ecbnh.<\/td><\/tr>
    Ch\u1ec9 t\u00ecm th\u01b0 m\u1ee5c<\/strong><\/td>find . -type d -name \"project*\"<\/code><\/td>T\u00ecm ki\u1ebfm c\u00e1c m\u1ee5c c\u00f3 lo\u1ea1i d<\/code> (th\u01b0 m\u1ee5c) b\u1eaft \u0111\u1ea7u b\u1eb1ng “project” trong th\u01b0 m\u1ee5c hi\u1ec7n t\u1ea1i.<\/td><\/tr>
    Ch\u1ec9 t\u00ecm t\u1ec7p<\/strong><\/td>find . -type f -name \"*.jpg\"<\/code><\/td>T\u00ecm ki\u1ebfm c\u00e1c m\u1ee5c c\u00f3 lo\u1ea1i f<\/code> (t\u1ec7p) c\u00f3 ph\u1ea7n m\u1edf r\u1ed9ng l\u00e0 .jpg<\/code> trong th\u01b0 m\u1ee5c hi\u1ec7n t\u1ea1i.<\/td><\/tr>
    T\u00ecm theo k\u00edch th\u01b0\u1edbc<\/strong><\/td>find . -size +10M<\/code><\/td>T\u00ecm c\u00e1c t\u1ec7p l\u1edbn h\u01a1n 10 Megabyte trong th\u01b0 m\u1ee5c hi\u1ec7n t\u1ea1i. (S\u1eed d\u1ee5ng c<\/code> cho byte, k<\/code> cho kilobyte, M<\/code> cho megabyte, G<\/code> cho gigabyte).<\/td><\/tr>
    T\u00ecm theo th\u1eddi gian s\u1eeda \u0111\u1ed5i<\/strong><\/td>find . -mtime -7<\/code><\/td>T\u00ecm c\u00e1c t\u1ec7p \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i trong v\u00f2ng 7 ng\u00e0y qua. (S\u1eed d\u1ee5ng +<\/code> cho c\u00e1c t\u1ec7p \u0111\u00e3 s\u1eeda \u0111\u1ed5i c\u00e1ch \u0111\u00e2y h\u01a1n 7 ng\u00e0y).<\/td><\/tr>
    T\u00ecm theo quy\u1ec1n<\/strong><\/td>find . -perm 644<\/code><\/td>T\u00ecm ch\u00ednh x\u00e1c c\u00e1c t\u1ec7p c\u00f3 quy\u1ec1n 644<\/code> trong th\u01b0 m\u1ee5c hi\u1ec7n t\u1ea1i.<\/td><\/tr>
    T\u00ecm t\u1ec7p\/th\u01b0 m\u1ee5c r\u1ed7ng<\/strong><\/td>find . -empty<\/code><\/td>Li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 c\u00e1c t\u1ec7p v\u00e0 th\u01b0 m\u1ee5c r\u1ed7ng trong th\u01b0 m\u1ee5c hi\u1ec7n t\u1ea1i.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    K\u1ebft h\u1ee3p find<\/code> v\u1edbi c\u00e1c l\u1ec7nh kh\u00e1c<\/h2>\n\n\n\n

    L\u1ec7nh find<\/code> th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi t\u00f9y ch\u1ecdn -exec<\/code> \u0111\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t h\u00e0nh \u0111\u1ed9ng tr\u00ean c\u00e1c t\u1ec7p m\u00e0 n\u00f3 t\u00ecm th\u1ea5y.<\/p>\n\n\n\n

      \n
    • T\u00ecm v\u00e0 x\u00f3a t\u1ec7p:<\/strong>
      find . -name \"*.temp\" -type f -delete<\/code>\u00a0ho\u1eb7c\u00a0find . -name \"*.temp\" -type f -exec rm {} \\\\;<\/code><\/li>\n\n\n\n
    • T\u00ecm t\u1ec7p ch\u1ee9a v\u0103n b\u1ea3n c\u1ee5 th\u1ec3:<\/strong>
      find . -type f -exec grep -l \"search pattern\" {} \\\\;<\/code>
      L\u1ec7nh n\u00e0y t\u00ecm c\u00e1c t\u1ec7p (-type f<\/code>) trong th\u01b0 m\u1ee5c hi\u1ec7n t\u1ea1i v\u00e0 ch\u1ea1y\u00a0grep<\/code>\u00a0\u0111\u1ec3 t\u00ecm “search pattern” (m\u1eabu t\u00ecm ki\u1ebfm) b\u00ean trong ch\u00fang, ch\u1ec9 in ra t\u00ean t\u1ec7p (-l<\/code>).<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

      L\u1ec7nh\u00a0find\u00a0trong Linux l\u00e0 m\u1ed9t ti\u1ec7n \u00edch m\u1ea1nh m\u1ebd d\u00f9ng \u0111\u1ec3 t\u00ecm ki\u1ebfm t\u1ec7p tin ho\u1eb7c th\u01b0 m\u1ee5c d\u1ef1a tr\u00ean nhi\u1ec1u […]<\/p>\n","protected":false},"author":13,"featured_media":257,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-251","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-huong-dan"],"views":265,"_links":{"self":[{"href":"https:\/\/uynghi.com\/rest-api\/wp\/v2\/posts\/251","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/uynghi.com\/rest-api\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/uynghi.com\/rest-api\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/uynghi.com\/rest-api\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/uynghi.com\/rest-api\/wp\/v2\/comments?post=251"}],"version-history":[{"count":5,"href":"https:\/\/uynghi.com\/rest-api\/wp\/v2\/posts\/251\/revisions"}],"predecessor-version":[{"id":256,"href":"https:\/\/uynghi.com\/rest-api\/wp\/v2\/posts\/251\/revisions\/256"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/uynghi.com\/rest-api\/wp\/v2\/media\/257"}],"wp:attachment":[{"href":"https:\/\/uynghi.com\/rest-api\/wp\/v2\/media?parent=251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/uynghi.com\/rest-api\/wp\/v2\/categories?post=251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/uynghi.com\/rest-api\/wp\/v2\/tags?post=251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}