{"id":76581,"date":"2026-02-22T21:41:31","date_gmt":"2026-02-22T13:41:31","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/76581.html"},"modified":"2026-02-22T21:41:31","modified_gmt":"2026-02-22T13:41:31","slug":"linux%e5%ad%a6%e4%b9%a0%e7%ac%ac%e4%b8%89%e5%a4%a9%ef%bd%9c%e8%a7%a3%e9%94%81%e6%96%87%e6%9c%ac%e6%93%8d%e4%bd%9c%e7%a5%9e%e5%99%a8%ef%bc%9aecho%e3%80%81grep%e3%80%81wc-%e4%b8%8e%e7%ae%a1%e9%81%93","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/76581.html","title":{"rendered":"Linux\u5b66\u4e60\u7b2c\u4e09\u5929\uff5c\u89e3\u9501\u6587\u672c\u64cd\u4f5c\u795e\u5668\uff1aecho\u3001grep\u3001wc \u4e0e\u7ba1\u9053\u7b26"},"content":{"rendered":"

\u2728 \u524d\u8a00：Linux\u5b66\u4e60\u6253\u5361\u7b2c\u4e09\u5929！\u8131\u79bb\u57fa\u7840\u64cd\u4f5c，\u6b63\u5f0f\u8fdb\u519b\u547d\u4ee4\u884c\u6587\u672c\u5904\u7406\u6838\u5fc3，\u4eca\u5929\u5403\u900fecho\u3001grep\u3001wc\u4e09\u5927\u547d\u4ee4，\u4ee5\u53ca\u7ba1\u9053\u7b26\u3001\u53cd\u5f15\u53f7\u7684\u5b9e\u7528\u6280\u5de7，\u5168\u7a0b\u5b9e\u64cd\u793a\u4f8b+\u901a\u4fd7\u89e3\u6790，\u9002\u5408Linux\u65b0\u624b\u53c2\u8003，\u4e5f\u7ed9\u81ea\u5df1\u7559\u4e2a\u590d\u4e60\u5370\u8bb0～<\/p>\n

\u4e00\u3001\u57fa\u7840\u8f93\u51fa\u547d\u4ee4：echo<\/h3>\n

echo\u662fLinux\u6700\u57fa\u7840\u7684\u8f93\u51fa\u547d\u4ee4，\u6838\u5fc3\u4f5c\u7528\u662f\u5728\u7ec8\u7aef\u6253\u5370\u5b57\u7b26\u4e32\u3001\u53d8\u91cf\u6216\u547d\u4ee4\u7ed3\u679c，\u65e5\u5e38\u8c03\u8bd5\u3001\u5feb\u901f\u67e5\u770b\u4fe1\u606f\u5fc5\u5907，\u7528\u6cd5\u7b80\u5355\u4f46\u9ad8\u9891\u3002<\/p>\n

\u5e38\u7528\u7528\u6cd5\u793a\u4f8b（\u76f4\u63a5\u590d\u5236\u53ef\u5b9e\u64cd）<\/h4>\n
  • \u8f93\u51fa\u666e\u901a\u5b57\u7b26\u4e32（\u5f15\u53f7\u53ef\u5355\u53ef\u53cc，\u65e0\u7279\u6b8a\u9700\u6c42\u53ef\u7701\u7565）：<\/li>\n

    echo<\/span> "Hello Linux! \u8fd9\u662f\u6211\u5b66\u4e60\u7684\u7b2c\u4e09\u5929"<\/span><\/p>\n

    \u6267\u884c\u7ed3\u679c：Hello Linux! \u8fd9\u662f\u6211\u5b66\u4e60\u7684\u7b2c\u4e09\u5929<\/p>\n

  • \u8f93\u51fa\u7cfb\u7edf\/\u81ea\u5b9a\u4e49\u53d8\u91cf（\u642d\u914d$\u7b26\u53f7）：<\/li>\n

    echo<\/span> $PATH<\/span> # \u67e5\u770b\u53ef\u6267\u884c\u547d\u4ee4\u7684\u641c\u7d22\u8def\u5f84<\/span><\/p>\n

    echo<\/span> $USER<\/span> # \u67e5\u770b\u5f53\u524d\u767b\u5f55\u7528\u6237\u540d<\/span><\/p>\n

  • \u6362\u884c\u8f93\u51fa（-e\u53c2\u6570\u8bc6\u522b\u8f6c\u4e49\u5b57\u7b26\\\\n）：<\/li>\n

    echo<\/span> -e "Linux\u5b66\u4e60\\\\n<\/span>Day3\\\\n<\/span>\u52a0\u6cb9！"<\/span><\/p>\n

    💡 \u5b9e\u7528\u6280\u5de7：\u5feb\u901f\u521b\u5efa\u7b80\u5355\u6587\u672c\u6587\u4ef6<\/p>\n

    echo<\/span> "\u4eca\u5929\u5b66\u4e60\u4e86echo\u547d\u4ee4"<\/span> ><\/span> study.txt # \u8986\u76d6\u5199\u5165<\/span><\/p>\n

    echo<\/span> "\u8865\u5145\u5185\u5bb9"<\/span> >><\/span> study.txt # \u8ffd\u52a0\u5199\u5165<\/span><\/p>\n

    \u4e8c\u3001\u6587\u672c\u641c\u7d22\u795e\u5668：grep<\/h3>\n

    grep\u88ab\u8a89\u4e3a\u201c\u6587\u672c\u8fc7\u6ee4\u5668\u201d，\u6838\u5fc3\u662f\u5728\u6587\u4ef6\/\u547d\u4ee4\u8f93\u51fa\u4e2d，\u641c\u7d22\u5339\u914d\u6307\u5b9a\u5185\u5bb9（\u5b57\u7b26\u4e32\/\u6b63\u5219），\u540e\u7eed\u5904\u7406\u65e5\u5fd7\u3001\u914d\u7f6e\u6587\u4ef6\u5fc5\u7528，\u638c\u63e1\u8fd94\u4e2a\u53c2\u6570\u5c31\u591f\u65e5\u5e38\u4f7f\u7528\u3002<\/p>\n

    \u5b9e\u64cd\u793a\u4f8b（\u4ee5study.txt\u4e3a\u4f8b）<\/h4>\n

    \u5148\u51c6\u5907study.txt\u6587\u4ef6\u5185\u5bb9（\u63d0\u524d\u6267\u884cecho\u5199\u5165）：<\/p>\n

    \u4eca\u5929\u5b66\u4e60\u4e86echo\u3001grep\u3001wc\u547d\u4ee4<\/p>\n

    \u8fd8\u5b66\u4e60\u4e86\u7ba1\u9053\u7b26\u548c\u53cd\u5f15\u53f7<\/p>\n

    Linux\u5b66\u4e60\u7b2c\u4e09\u5929，\u6536\u83b7\u6ee1\u6ee1<\/p>\n

  • \u57fa\u7840\u641c\u7d22（\u641c\u7d22\u6587\u4ef6\u4e2d\u5305\u542b\u6307\u5b9a\u5b57\u7b26\u4e32\u7684\u884c）：<\/li>\n

    grep<\/span> "grep"<\/span> study.txt<\/p>\n

    \u6267\u884c\u7ed3\u679c：\u4eca\u5929\u5b66\u4e60\u4e86echo\u3001grep\u3001wc\u547d\u4ee4<\/p>\n

  • \u5ffd\u7565\u5927\u5c0f\u5199\u641c\u7d22（-i\u53c2\u6570）：<\/li>\n

    grep<\/span> -i "linux"<\/span> study.txt<\/p>\n

    \u6267\u884c\u7ed3\u679c：Linux\u5b66\u4e60\u7b2c\u4e09\u5929，\u6536\u83b7\u6ee1\u6ee1<\/p>\n

  • \u663e\u793a\u5339\u914d\u884c\u53f7（-n\u53c2\u6570）：<\/li>\n

    grep<\/span> -n "\u547d\u4ee4"<\/span> study.txt<\/p>\n

    \u6267\u884c\u7ed3\u679c：1:\u4eca\u5929\u5b66\u4e60\u4e86echo\u3001grep\u3001wc\u547d\u4ee4<\/p>\n

  • \u53cd\u5411\u641c\u7d22（-v\u53c2\u6570，\u8f93\u51fa\u4e0d\u5339\u914d\u7684\u884c）：<\/li>\n

    grep<\/span> -v "\u547d\u4ee4"<\/span> study.txt<\/p>\n

    \u6267\u884c\u7ed3\u679c：<\/p>\n

    \u8fd8\u5b66\u4e60\u4e86\u7ba1\u9053\u7b26\u548c\u53cd\u5f15\u53f7<\/p>\n

    Linux\u5b66\u4e60\u7b2c\u4e09\u5929，\u6536\u83b7\u6ee1\u6ee1<\/p>\n

    \u4e09\u3001\u6587\u672c\u7edf\u8ba1\u5de5\u5177：wc<\/h3>\n

    wc\u547d\u4ee4\u6838\u5fc3\u662f\u7edf\u8ba1\u6587\u672c\u7684\u884c\u6570\u3001\u5355\u8bcd\u6570\u3001\u5b57\u8282\u6570，\u8bed\u6cd5\u7b80\u6d01，\u53c2\u6570\u597d\u8bb0，\u5feb\u901f\u4e86\u89e3\u6587\u4ef6\u4f53\u91cf\u5fc5\u5907\u3002<\/p>\n

    \u5e38\u7528\u53c2\u6570+\u5b9e\u64cd\u793a\u4f8b<\/h4>\n

    \u6838\u5fc3\u53c2\u6570（3\u4e2a\u5fc5\u8bb0）：<\/p>\n

      \n
    • \n

      -l：\u4ec5\u7edf\u8ba1\u884c\u6570<\/p>\n<\/li>\n

    • \n

      -w：\u4ec5\u7edf\u8ba1\u5355\u8bcd\u6570（\u4ee5\u7a7a\u683c\/\u5236\u8868\u7b26\u5206\u9694）<\/p>\n<\/li>\n

    • \n

      -c：\u4ec5\u7edf\u8ba1\u5b57\u8282\u6570（\u5305\u542b\u7a7a\u683c\u3001\u6362\u884c\u7b26）<\/p>\n<\/li>\n<\/ul>\n

      \u4ecd\u4ee5study.txt\u4e3a\u4f8b，\u76f4\u63a5\u5b9e\u64cd：<\/p>\n

      wc<\/span> -l study.txt # \u7edf\u8ba1\u884c\u6570，\u7ed3\u679c：3 study.txt<\/span><\/p>\n

      wc<\/span> -w study.txt # \u7edf\u8ba1\u5355\u8bcd\u6570，\u7ed3\u679c：15 study.txt<\/span><\/p>\n

      wc<\/span> -c study.txt # \u7edf\u8ba1\u5b57\u8282\u6570，\u7ed3\u679c：68 study.txt<\/span><\/p>\n

      wc<\/span> study.txt # \u9ed8\u8ba4\u7edf\u8ba1（\u884c\u6570+\u5355\u8bcd\u6570+\u5b57\u8282\u6570），\u7ed3\u679c：3 15 68 study.txt<\/span><\/p>\n

      \u56db\u3001\u547d\u4ee4\u534f\u4f5c\u6838\u5fc3：\u7ba1\u9053\u7b26 |<\/h3>\n

      \u7ba1\u9053\u7b26（|）\u662fLinux\u547d\u4ee4\u884c\u7684\u7cbe\u9ad3，\u6838\u5fc3\u4f5c\u7528：\u5c06\u524d\u4e00\u4e2a\u547d\u4ee4\u7684\u8f93\u51fa，\u4f5c\u4e3a\u540e\u4e00\u4e2a\u547d\u4ee4\u7684\u8f93\u5165，\u5b9e\u73b0\u591a\u547d\u4ee4\u4e32\u8054，\u5927\u5e45\u63d0\u5347\u5904\u7406\u6548\u7387，\u8fd9\u4e5f\u662fLinux\u547d\u4ee4\u884c\u7684\u9b45\u529b\u6240\u5728\u3002<\/p>\n

      3\u4e2a\u9ad8\u9891\u5b9e\u7528\u793a\u4f8b（\u7ed3\u5408\u4eca\u65e5\u6240\u5b66\u547d\u4ee4）<\/h4>\n
    • grep + wc：\u7edf\u8ba1\u5339\u914d\u5185\u5bb9\u7684\u884c\u6570<\/li>\n

      grep<\/span> "\u5b66\u4e60"<\/span> study.txt |<\/span> wc<\/span> -l # \u7edf\u8ba1\u5305\u542b\u201c\u5b66\u4e60\u201d\u7684\u884c\u6570，\u7ed3\u679c：3<\/span><\/p>\n

      \u89e3\u6790：\u5148\u901a\u8fc7grep\u7b5b\u9009\u76ee\u6807\u884c，\u518d\u7528wc -l\u7edf\u8ba1\u884c\u6570，\u65e0\u9700\u624b\u52a8\u7b5b\u9009\u3002<\/p>\n

    • echo + grep：\u8fc7\u6ee4\u8f93\u51fa\u5185\u5bb9<\/li>\n

      echo<\/span> "echo grep wc \u7ba1\u9053\u7b26 \u53cd\u5f15\u53f7"<\/span> |<\/span> grep<\/span> "e"<\/span><\/p>\n

      \u6267\u884c\u7ed3\u679c：echo grep wc \u7ba1\u9053\u7b26 \u53cd\u5f15\u53f7（\u6574\u4e2a\u5b57\u7b26\u4e32\u5305\u542be，\u6545\u5b8c\u6574\u8f93\u51fa）<\/p>\n

    • \u591a\u7ba1\u9053\u4e32\u8054（\u62d3\u5c55，\u65e5\u5e38\u5e38\u7528）<\/li>\n

      echo<\/span> -e "a\\\\n<\/span>b\\\\n<\/span>c\\\\n<\/span>a\\\\n<\/span>d"<\/span> |<\/span> grep<\/span> "a"<\/span> |<\/span> wc<\/span> -l # \u7ed3\u679c：2<\/span><\/p>\n

      \u89e3\u6790：\u5148\u8f93\u51fa5\u884c\u5b57\u7b26\u2192\u7b5b\u9009\u5305\u542b\u201ca\u201d\u7684\u884c\u2192\u7edf\u8ba1\u884c\u6570，\u4e00\u6b65\u5230\u4f4d\u3002<\/p>\n

      \u4e94\u3001\u547d\u4ee4\u7ed3\u679c\u590d\u7528：\u53cd\u5f15\u53f7 `` \u6216 $()<\/h3>\n

      \u53cd\u5f15\u53f7（``）\u548c ()\u529f\u80fd\u5b8c\u5168\u7b49\u4ef7，\u6838\u5fc3\u662f\u5c06\u4e00\u4e2a\u547d\u4ee4\u7684\u6267\u884c\u7ed3\u679c，\u4f5c\u4e3a\u53e6\u4e00\u4e2a\u547d\u4ee4\u7684\u53c2\u6570，\u907f\u514d\u91cd\u590d\u6267\u884c，\u7b80\u5316\u64cd\u4f5c，\u63a8\u8350\u4f18\u5148\u7528() \u529f\u80fd\u5b8c\u5168\u7b49\u4ef7，\u6838\u5fc3\u662f\u5c06\u4e00\u4e2a\u547d\u4ee4\u7684\u6267\u884c\u7ed3\u679c，\u4f5c\u4e3a\u53e6\u4e00\u4e2a\u547d\u4ee4\u7684\u53c2\u6570，\u907f\u514d\u91cd\u590d\u6267\u884c，\u7b80\u5316\u64cd\u4f5c，\u63a8\u8350\u4f18\u5148\u7528<\/span><\/span>(<\/span>)<\/span>\u529f\u80fd\u5b8c\u5168\u7b49\u4ef7，\u6838\u5fc3\u662f\u5c06\u4e00\u4e2a\u547d\u4ee4\u7684\u6267\u884c\u7ed3\u679c，\u4f5c\u4e3a\u53e6\u4e00\u4e2a\u547d\u4ee4\u7684\u53c2\u6570，\u907f\u514d\u91cd\u590d\u6267\u884c，\u7b80\u5316\u64cd\u4f5c，\u63a8\u8350\u4f18\u5148\u7528<\/span><\/span><\/span><\/span><\/span>()（\u53ef\u8bfb\u6027\u66f4\u5f3a）\u3002<\/p>\n

      2\u4e2a\u9ad8\u9891\u793a\u4f8b<\/h4>\n
    • \u67e5\u770b\u5f53\u524d\u76ee\u5f55\u6587\u4ef6\u6570（ls\u5217\u51fa\u6587\u4ef6，wc -l\u7edf\u8ba1）：<\/li>\n

      echo<\/span> "\u5f53\u524d\u76ee\u5f55\u4e0b\u6587\u4ef6\u6570：`<\/span>ls<\/span> |<\/span> wc<\/span> -l`<\/span><\/span>"<\/span> # \u53cd\u5f15\u53f7\u7528\u6cd5<\/span><\/p>\n

      echo<\/span> "\u5f53\u524d\u76ee\u5f55\u4e0b\u6587\u4ef6\u6570：$(<\/span>ls<\/span> |<\/span> wc<\/span> -l)<\/span><\/span>"<\/span> # $()\u7528\u6cd5（\u63a8\u8350）<\/span><\/p>\n

      \u6267\u884c\u7ed3\u679c：\u5f53\u524d\u76ee\u5f55\u4e0b\u6587\u4ef6\u6570：XX（XX\u4e3a\u5b9e\u9645\u6587\u4ef6\u6570\u91cf）<\/p>\n

    • \u7ed3\u5408grep\u590d\u7528\u547d\u4ee4\u7ed3\u679c：<\/li>\n

      grep<\/span> "$(<\/span>whoami<\/span>)<\/span><\/span>"<\/span> study.txt |<\/span> wc<\/span> -l # \u7edf\u8ba1\u5305\u542b\u5f53\u524d\u7528\u6237\u540d\u7684\u884c\u6570<\/span><\/p>\n

      \u89e3\u6790：whoami\u8f93\u51fa\u5f53\u524d\u7528\u6237\u540d\u2192\u4f5c\u4e3agrep\u7684\u641c\u7d22\u5185\u5bb9\u2192\u7edf\u8ba1\u5339\u914d\u884c\u6570\u3002<\/p>\n

      \u516d\u3001\u5b66\u4e60\u603b\u7ed3（\u65b0\u624b\u5fc5\u770b）<\/h3>\n

      \u4eca\u65e5\u6838\u5fc3\u6536\u83b7：\u638c\u63e1\u300c\u8f93\u51fa\u2192\u641c\u7d22\u2192\u7edf\u8ba1\u300d\u4e09\u4ef6\u5957（echo\u3001grep\u3001wc），\u5b66\u4f1a\u7528\u7ba1\u9053\u7b26\u5b9e\u73b0\u547d\u4ee4\u534f\u4f5c，\u7528\u53cd\u5f15\u53f7\u590d\u7528\u547d\u4ee4\u7ed3\u679c，\u8fd9\u51e0\u7ec4\u7ec4\u5408\u51e0\u4e4e\u80fd\u8986\u76d6\u65e5\u5e3880%\u7684\u6587\u672c\u5904\u7406\u9700\u6c42\u3002<\/p>\n

      💡 \u65b0\u624b\u907f\u5751：<\/p>\n

        \n
      • \n

        \u7ba1\u9053\u7b26\u7684\u6838\u5fc3\u662f\u201c\u524d\u8f93\u51fa\u2192\u540e\u8f93\u5165\u201d，\u524d\u540e\u547d\u4ee4\u9700\u5339\u914d（\u6bd4\u5982\u524d\u547d\u4ee4\u6709\u8f93\u51fa，\u540e\u547d\u4ee4\u80fd\u63a5\u6536\u8f93\u5165）；<\/p>\n<\/li>\n

      • \n

        \u53cd\u5f15\u53f7\u548c()\u7b49\u4ef7，\u4f46\u5d4c\u5957\u547d\u4ee4\u65f6，()\u7b49\u4ef7，\u4f46\u5d4c\u5957\u547d\u4ee4\u65f6，<\/span><\/span>(<\/span>)<\/span>\u7b49\u4ef7，\u4f46\u5d4c\u5957\u547d\u4ee4\u65f6，<\/span><\/span><\/span><\/span><\/span>()\u53ef\u8bfb\u6027\u66f4\u5f3a，\u4f18\u5148\u4f7f\u7528；<\/p>\n<\/li>\n

      • \n

        grep\u7684-i\/-n\/-v\u53c2\u6570\u9ad8\u9891\u5b9e\u7528，\u8bb0\u51c6\u7528\u6cd5\u80fd\u5c11\u8d70\u5f88\u591a\u5f2f\u8def\u3002<\/p>\n<\/li>\n<\/ul>\n

        📌 \u540e\u7eed\u8ba1\u5212：\u660e\u5929\u91cd\u70b9\u5b66\u4e60Linux\u6587\u4ef6\u6743\u9650\u76f8\u5173\u5185\u5bb9，\u5faa\u5e8f\u6e10\u8fdb，\u7a33\u6b65\u89e3\u9501Linux\u547d\u4ee4\u884c\u66f4\u591a\u7528\u6cd5～<\/p>\n

        \u6838\u5fc3\u547d\u4ee4\u901f\u8bb0（\u6536\u85cf\u5907\u7528）<\/h3>\n

        echo：\u8f93\u51fa\u5185\u5bb9，\u642d\u914d><\/span>\/>><\/span>\u5199\u5165\u6587\u4ef6<\/p>\n

        grep：\u641c\u7d22\u6587\u672c，\u5e38\u7528-i\/-n\/-v\u53c2\u6570<\/p>\n

        wc：\u7edf\u8ba1\u884c\u6570\/\u5355\u8bcd\u6570\/\u5b57\u8282\u6570，\u5e38\u7528-l\/-w\/-c<\/p>\n

        \u7ba1\u9053\u7b26 |<\/span>：\u4e32\u8054\u547d\u4ee4，\u524d\u8f93\u51fa\u2192\u540e\u8f93\u5165<\/p>\n

        \u53cd\u5f15\u53f7``\/$(<\/span>)<\/span>：\u590d\u7528\u547d\u4ee4\u6267\u884c\u7ed3\u679c<\/p>\n

        🔗 \u76f8\u5173\u63a8\u8350：Linux\u5b66\u4e60\u6253\u5361\u7cfb\u5217\u5c06\u6301\u7eed\u66f4\u65b0，\u65b0\u624b\u53ef\u5173\u6ce8，\u4e00\u8d77\u4ece0\u52301\u5403\u900fLinux\u547d\u4ee4\u884c～<\/p>\n","protected":false},"excerpt":{"rendered":"

        \u2728 \u524d\u8a00：Linux\u5b66\u4e60\u6253\u5361\u7b2c\u4e09\u5929！\u8131\u79bb\u57fa\u7840\u64cd\u4f5c，\u6b63\u5f0f\u8fdb\u519b\u547d\u4ee4\u884c\u6587\u672c\u5904\u7406\u6838\u5fc3，\u4eca\u5929\u5403\u900fecho\u3001grep\u3001wc\u4e09\u5927\u547d\u4ee4，\u4ee5\u53ca\u7ba1\u9053\u7b26\u3001\u53cd\u5f15\u53f7\u7684\u5b9e\u7528\u6280\u5de7，\u5168\u7a0b\u5b9e\u64cd\u793a\u4f8b\u901a\u4fd7\u89e3\u6790，\u9002\u5408Linux\u65b0\u624b\u53c2\u8003，\u4e5f\u7ed9\u81ea\u5df1\u7559\u4e2a\u590d\u4e60\u5370\u8bb0～
        \n\u4e00\u3001\u57fa\u7840\u8f93\u51fa\u547d\u4ee4：echo
        \necho\u662fLinux\u6700\u57fa\u7840\u7684\u8f93\u51fa\u547d\u4ee4，\u6838\u5fc3\u4f5c\u7528\u662f\u5728\u7ec8\u7aef\u6253\u5370\u5b57\u7b26\u4e32\u3001\u53d8\u91cf\u6216\u547d\u4ee4\u7ed3<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[130,58,371],"topic":[],"class_list":["post-76581","post","type-post","status-publish","format-standard","hentry","category-server","tag-chrome","tag-linux","tag-371"],"yoast_head":"\nLinux\u5b66\u4e60\u7b2c\u4e09\u5929\uff5c\u89e3\u9501\u6587\u672c\u64cd\u4f5c\u795e\u5668\uff1aecho\u3001grep\u3001wc \u4e0e\u7ba1\u9053\u7b26 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/76581.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Linux\u5b66\u4e60\u7b2c\u4e09\u5929\uff5c\u89e3\u9501\u6587\u672c\u64cd\u4f5c\u795e\u5668\uff1aecho\u3001grep\u3001wc \u4e0e\u7ba1\u9053\u7b26 - 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