{"id":117922,"date":"2026-10-25T22:56:26","date_gmt":"2026-10-25T14:56:26","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/117922.html"},"modified":"2026-10-25T22:56:26","modified_gmt":"2026-10-25T14:56:26","slug":"openeuler-%e6%96%87%e6%9c%ac%e6%9f%a5%e7%9c%8b-%e8%bd%af%e9%93%be%e6%8e%a5-%e7%a1%ac%e9%93%be%e6%8e%a5%e4%bf%9d%e5%a7%86%e7%ba%a7%e5%ae%9e%e6%88%98%ef%bc%9ahead-tail-more-less-%e4%b8%8e-ln","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/117922.html","title":{"rendered":"openEuler \u6587\u672c\u67e5\u770b + \u8f6f\u94fe\u63a5\/\u786c\u94fe\u63a5\u4fdd\u59c6\u7ea7\u5b9e\u6218\uff1ahead \/ tail \/ more \/ less \u4e0e ln\u3001ln -s \u4e00\u6b21\u641e\u61c2"},"content":{"rendered":"

\"\u8bf7\u6dfb\u52a0\u56fe\u7247\u63cf\u8ff0\" <\/p>\n

\ud83c\udfac \u535a\u4e3b\u540d\u79f0\uff1a\u4e00\u9e23<\/font> <\/p>\n

\ud83d\udd25 \u4e2a\u4eba\u4e13\u680f: \u300a\u82cd\u7a79\u5916\u5356\u300b\u300a\u559c\u559c\u300b<\/font> <\/p>\n

\u26fa\ufe0f\u751f\u6d3b\u7684\u7406\u60f3\uff0c\u5c31\u662f\u4e3a\u4e86\u7406\u60f3\u7684\u751f\u6d3b! <\/font> <\/p>\n

\n

\u6587\u7ae0\u76ee\u5f55<\/h4>\n
    \n
  • \u7b2c\u4e00\u90e8\u5206\uff1a\u6587\u672c\u67e5\u770b\u547d\u4ee4\u5b9e\u6218<\/li>\n
  • \n
      \n
    • 1.1 \u7ed9\u6587\u4ef6\u6dfb\u52a0\u6d4b\u8bd5\u6570\u636e\uff1a`>` \u8986\u76d6 vs `>>` \u8ffd\u52a0<\/li>\n
    • 1.2 cat \u4e00\u6b21\u663e\u793a\u591a\u4e2a\u6587\u4ef6\u5185\u5bb9<\/li>\n
    • 1.3 more \u4e0e less \u5206\u9875\u67e5\u770b \/etc\/passwd\uff0c\u533a\u522b\u5728\u54ea<\/li>\n
    • 1.4 head \u770b\u524d N \u884c\uff1a\/etc\/inittab \u524d 10 \u884c<\/li>\n
    • 1.5 tail \u770b\u540e N \u884c\uff1a\/etc\/inittab \u540e 5 \u884c<\/li>\n
    • 1.6 \u7b2c\u4e00\u90e8\u5206\u8bfe\u5802\u4f5c\u4e1a\u547d\u4ee4\u6c47\u603b<\/li>\n<\/ul>\n<\/li>\n
    • \u7b2c\u4e8c\u90e8\u5206\uff1a\u8f6f\u94fe\u63a5\u4e0e\u786c\u94fe\u63a5\uff08ln\uff09<\/li>\n
    • \n
        \n
      • 2.1 \u5148\u5efa\u7acb\u76f4\u89c9\uff1a\u786c\u94fe\u63a5\u50cf\\”\u591a\u4e2a\u95e8\u724c\u53f7\\”\uff0c\u8f6f\u94fe\u63a5\u50cf\\”\u5feb\u6377\u65b9\u5f0f\\”<\/li>\n
      • 2.2 \u7cfb\u7edf\u81ea\u5e26\u7684\u8f6f\u94fe\u63a5\u5b9e\u4f8b\uff1a\/dev\/cdrom -> sr0<\/li>\n
      • 2.3 \u8f6f\u94fe\u63a5 ln -s\uff1a\u5efa\u6cd5\u4e0e ls -l \u8bc6\u522b\u7279\u5f81<\/li>\n
      • 2.4 \u786c\u94fe\u63a5 ln\uff1a\u5efa\u6cd5\u4e0e ls -l \u8bc6\u522b\u7279\u5f81<\/li>\n
      • 2.5 \u5173\u952e\u5b9e\u9a8c\uff1a\u5220\u6389\u6e90\u6587\u4ef6\uff0c\u8c01\u8fd8\u6d3b\u7740\uff1f<\/li>\n
      • 2.6 \u76ee\u5f55\u80fd\u4e0d\u80fd\u5efa\u94fe\u63a5\uff1f\u8f6f\u94fe\u63a5\u53ef\u4ee5\uff0c\u786c\u94fe\u63a5\u62a5\u9519<\/li>\n
      • 2.7 \u8bfe\u4ef6\u6982\u5ff5\u603b\u7ed3\uff1a\u786c\u94fe\u63a5 vs \u8f6f\u94fe\u63a5\u4e00\u5f20\u8868<\/li>\n
      • 2.8 \u7b2c\u4e8c\u90e8\u5206\u8bfe\u5802\u4f5c\u4e1a\uff08\u9644\u6807\u51c6\u7b54\u6848\uff09<\/li>\n
      • \u4e09\u3001\u4e00\u6761\u9f99\u5b8c\u6574\u811a\u672c\uff08\u53ef\u76f4\u63a5\u590d\u5236\u7167\u6572\uff09<\/li>\n
      • \u56db\u3001\u547d\u4ee4\u901f\u67e5\u8868\uff08\u5efa\u8bae\u6536\u85cf\uff09<\/li>\n
      • \u4e94\u3001\u65b0\u624b\u9ad8\u9891\u62a5\u9519\u5bf9\u7167\u8868<\/li>\n
      • \u516d\u3001\u603b\u7ed3<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
        \n

        \u672c\u7bc7\u662f\u300aopenEuler \u6587\u4ef6\u7ba1\u7406\u547d\u4ee4\u4fdd\u59c6\u7ea7\u5b9e\u64cd\u300b\u7684\u7eed\u7bc7\uff0c\u627f\u63a5\u4e0a\u4e00\u7bc7\u7684 cat\uff0c\u7ee7\u7eed\u8bb2\u4e24\u4ef6\u4e8b\uff1a\u2460 \u600e\u4e48\u67e5\u770b\u6587\u672c\u6587\u4ef6\uff08\u591a\u6587\u4ef6\u3001\u5206\u9875\u3001\u770b\u5934\u770b\u5c3e\uff09\uff1b\u2461 Linux \u7684\u8f6f\u94fe\u63a5\u548c\u786c\u94fe\u63a5\u5230\u5e95\u662f\u4ec0\u4e48\u3001\u600e\u4e48\u5efa\u3001\u5220\u4e86\u6e90\u6587\u4ef6\u4f1a\u600e\u6837\u3002 \u73af\u5883\uff1aopenEuler \u7ec8\u7aef\uff0croot \u7528\u6237\uff0c\u63d0\u793a\u7b26 [root@\u4e3b\u673a\u540d \u5f53\u524d\u76ee\u5f55]#\u3002\u5efa\u8bae\u8fb9\u770b\u8fb9\u5728\u865a\u62df\u673a\u91cc\u540c\u6b65\u6572\u3002<\/p>\n

        \n

        \u7b2c\u4e00\u90e8\u5206\uff1a\u6587\u672c\u67e5\u770b\u547d\u4ee4\u5b9e\u6218<\/h2>\n

        \u4efb\u52a1\u6e05\u5355\uff1a<\/p>\n

      • \u5728 file1.txt\u3001file2.txt \u6dfb\u52a0\u6d4b\u8bd5\u6570\u636e\uff1b<\/li>\n
      • \u4f7f\u7528 cat \u547d\u4ee4\u663e\u793a file1.txt\u3001file2.txt \u4e24\u4e2a\u6587\u4ef6\u5185\u5bb9\uff1b<\/li>\n
      • \u4f7f\u7528 more \u6216 less \u67e5\u770b\u6587\u4ef6 \/etc\/passwd\uff0c\u5e76\u6bd4\u8f83\u533a\u522b\uff1b<\/li>\n
      • \u67e5\u770b \/etc\/inittab \u6587\u4ef6\u524d 10 \u884c\u4fe1\u606f\uff1b<\/li>\n
      • \u67e5\u770b \/etc\/inittab \u6587\u4ef6\u540e 5 \u884c\u4fe1\u606f\u3002<\/li>\n

        1.1 \u7ed9\u6587\u4ef6\u6dfb\u52a0\u6d4b\u8bd5\u6570\u636e\uff1a> \u8986\u76d6 vs >> \u8ffd\u52a0<\/h3>\n

        \u4e0a\u4e00\u7bc7\u8bb2\u8fc7 echo \\”\u6587\u5b57\\” > \u6587\u4ef6 \u662f\u8986\u76d6\u5199\uff1a\u539f\u5185\u5bb9\u88ab\u66ff\u6362\u3002\u8fd9\u4e00\u8282\u4f5c\u4e1a\u662f\\”\u6dfb\u52a0\u6d4b\u8bd5\u6570\u636e\\”\uff0c\u5982\u679c\u4e0d\u60f3\u628a\u539f\u6709\u5185\u5bb9\u51b2\u6389\uff0c\u8981\u7528\u8ffd\u52a0\u7b26\u53f7 >>\uff1a<\/p>\n

        # > \u8986\u76d6\u5199\uff1a\u539f\u5185\u5bb9\u6ca1\u4e86\uff0c\u53ea\u5269\u8fd9\u4e00\u884c<\/span>
        \necho<\/span> \\”hello file1\\”<\/span> ><\/span> file1.txt<\/p>\n

        # >> \u8ffd\u52a0\u5199\uff1a\u5728\u6587\u4ef6\u672b\u5c3e\u518d\u6dfb\u4e00\u884c\uff0c\u539f\u5185\u5bb9\u4fdd\u7559<\/span>
        \necho<\/span> \\”this is line 2\\”<\/span> >><\/span> file1.txt
        \necho<\/span> \\”this is line 3\\”<\/span> >><\/span> file1.txt<\/p>\n\n\n \u7b26\u53f7
        \n \u884c\u4e3a
        \n \u539f\u5185\u5bb9
        \n <\/tr>\n\n\n\n
        ><\/td>\n\u8986\u76d6\u5199<\/td>\n\u88ab\u6e05\u7a7a\u66ff\u6362<\/td>\n<\/tr>\n
        >><\/td>\n\u8ffd\u52a0\u5199<\/td>\n\u4fdd\u7559\uff0c\u5728\u672b\u5c3e\u65b0\u589e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        \u5927\u767d\u8bdd\uff1a> \u50cf\u628a\u7eb8\u63c9\u6389\u91cd\u5199\uff0c>> \u50cf\u5728\u6587\u7ae0\u540e\u9762\u63a5\u7740\u5f80\u4e0b\u5199\u3002<\/p>\n

        1.2 cat \u4e00\u6b21\u663e\u793a\u591a\u4e2a\u6587\u4ef6\u5185\u5bb9<\/h3>\n

        cat \u540e\u9762\u53ef\u4ee5\u8ddf\u591a\u4e2a\u6587\u4ef6\u540d\uff0c\u7a7a\u683c\u9694\u5f00\uff0c\u7cfb\u7edf\u4f1a\u6309\u987a\u5e8f\u628a\u5b83\u4eec\u7684\u5185\u5bb9\u4f9d\u6b21\u62fc\u63a5\u8f93\u51fa\uff1a<\/p>\n

        cat<\/span> file1.txt file2.txt<\/p>\n

          \n
        • \u5148\u6253\u5370 file1.txt \u5168\u90e8\u5185\u5bb9\uff0c\u7d27\u63a5\u7740\u6253\u5370 file2.txt \u5168\u90e8\u5185\u5bb9\uff1b<\/li>\n
        • \u9002\u5408\u5feb\u901f\u770b\u5b8c\u51e0\u4e2a\u5c0f\u6587\u4ef6\uff0c\u4e0d\u9700\u8981\u6765\u56de\u5207\u6362\u3002<\/li>\n<\/ul>\n

          1.3 more \u4e0e less \u5206\u9875\u67e5\u770b \/etc\/passwd\uff0c\u533a\u522b\u5728\u54ea<\/h3>\n

          \/etc\/passwd \u662f\u7cfb\u7edf\u7528\u6237\u4fe1\u606f\u6587\u4ef6\uff0c\u5185\u5bb9\u4e00\u5c4f\u653e\u4e0d\u4e0b\uff0c\u8fd9\u65f6\u7528\u5206\u9875\u547d\u4ee4\uff1a<\/p>\n

          more<\/span> \/etc\/passwd
          \nless<\/span> \/etc\/passwd<\/p>\n\n\n \u5bf9\u6bd4\u9879
          \n more
          \n less
          \n <\/tr>\n\n\n\n\n\n\n\n
          \u7ffb\u9875\u65b9\u5411<\/td>\n\u53ea\u80fd\u5411\u4e0b\u7ffb\uff08\u7a7a\u683c\u4e0b\u4e00\u9875\u3001\u56de\u8f66\u4e0b\u4e00\u884c\uff09<\/td>\n\u4e0a\u4e0b\u81ea\u7531\u7ffb\uff08\u65b9\u5411\u952e \/ PgUp \/ PgDn\uff09<\/td>\n<\/tr>\n
          \u5230\u6587\u4ef6\u672b\u5c3e<\/td>\n\u81ea\u52a8\u9000\u51fa<\/td>\n\u505c\u5728\u672b\u5c3e\uff0c\u6309 q \u9000\u51fa<\/td>\n<\/tr>\n
          \u5f80\u56de\u7ffb<\/td>\n\u4e0d\u652f\u6301<\/td>\n\u652f\u6301<\/td>\n<\/tr>\n
          \u5185\u90e8\u641c\u7d22<\/td>\n\u5f31<\/td>\n\u652f\u6301 \/\u5173\u952e\u8bcd \u641c\u7d22<\/td>\n<\/tr>\n
          \u5927\u6587\u4ef6\u52a0\u8f7d<\/td>\n\u4e00\u6b21\u6027\u8f7d\u5165<\/td>\n\u6309\u9700\u52a0\u8f7d\uff0c\u5927\u6587\u4ef6\u66f4\u6d41\u7545<\/td>\n<\/tr>\n
          \u9000\u51fa<\/td>\n\u770b\u5b8c\u81ea\u52a8\u8d70<\/td>\n\u6309 q \u9000\u51fa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          \u7ed3\u8bba\uff1a\u65e5\u5e38\u957f\u6587\u4ef6\u4f18\u5148\u7528 less\uff0c\u529f\u80fd\u66f4\u5f3a\u3001\u80fd\u5f80\u56de\u7ffb\uff1bmore \u662f\u66f4\u8001\u66f4\u7b80\u5355\u7684\u5206\u9875\u5668\u3002<\/p>\n

          1.4 head \u770b\u524d N \u884c\uff1a\/etc\/inittab \u524d 10 \u884c<\/h3>\n

          head \u9ed8\u8ba4\u770b\u6587\u4ef6\u5f00\u5934 10 \u884c\uff0c\u6307\u5b9a\u884c\u6570\u7528 -n\uff1a<\/p>\n

          head<\/span> \/etc\/inittab # \u9ed8\u8ba4\u524d 10 \u884c<\/span>
          \nhead<\/span> -10<\/span> \/etc\/inittab # \u660e\u786e\u6307\u5b9a\u524d 10 \u884c\uff08\u7b49\u4ef7\u5199\u6cd5 head -n 10 \/etc\/inittab\uff09<\/span><\/p>\n

          1.5 tail \u770b\u540e N \u884c\uff1a\/etc\/inittab \u540e 5 \u884c<\/h3>\n

          tail \u4e0e head \u76f8\u53cd\uff0c\u770b\u6587\u4ef6\u672b\u5c3e\uff0c\u8bfe\u5802\u5b9e\u5f55\u7528 -5 \u6307\u5b9a\u540e 5 \u884c\uff1a<\/p>\n

          tail<\/span> -5<\/span> \/etc\/inittab # \u770b\u6700\u540e 5 \u884c\uff08\u7b49\u4ef7 tail -n 5 \/etc\/inittab\uff09<\/span><\/p>\n

          \u622a\u56fe\u91cc\u8f93\u51fa\u7684\u6b63\u662f inittab \u6587\u4ef6\u6700\u672b\u5c3e 5 \u884c\uff08systemctl get-default \/ set-default \u7684\u6ce8\u91ca\u8bf4\u660e\uff09\u3002<\/p>\n

          \u8bb0\u5fc6\u53e3\u8bc0\uff1ahead \u770b\u5934\uff0ctail \u770b\u5c3e\uff0c-n \u6570\u5b57 \u5b9a\u884c\u6570\u3002<\/p>\n

          1.6 \u7b2c\u4e00\u90e8\u5206\u8bfe\u5802\u4f5c\u4e1a\u547d\u4ee4\u6c47\u603b<\/h3>\n

          # 1. \u6dfb\u52a0\u6d4b\u8bd5\u6570\u636e\uff08>> \u8ffd\u52a0\uff0c\u4e0d\u8986\u76d6\uff09<\/span>
          \necho<\/span> \\”hello file1\\”<\/span> <\/p>\n","protected":false},"excerpt":{"rendered":"

          \ud83c\udfac \u535a\u4e3b\u540d\u79f0\uff1a\u4e00\u9e23 \ud83d\udd25 \u4e2a\u4eba\u4e13\u680f: \u300a\u82cd\u7a79\u5916\u5356\u300b\u300a\u559c\u559c\u300b \u26fa\ufe0f\u751f\u6d3b\u7684\u7406\u60f3\uff0c\u5c31\u662f\u4e3a\u4e86\u7406\u60f3\u7684\u751f\u6d3b! \u6587\u7ae0\u76ee\u5f55 \u7b2c\u4e00\u90e8\u5206\uff1a\u6587\u672c\u67e5\u770b\u547d\u4ee4\u5b9e\u6218 1.1 \u7ed9\u6587\u4ef6\u6dfb\u52a0\u6d4b\u8bd5\u6570\u636e\uff1a`>` \u8986\u76d6 vs `>>` \u8ffd\u52a0 1.2 cat \u4e00\u6b21\u663e\u793a\u591a\u4e2a\u6587\u4ef6\u5185\u5bb9 1.3 more \u4e0e less \u5206\u9875\u67e5\u770b \/etc\/passwd\uff0c\u533a\u522b\u5728\u54ea 1.4 head \u770b\u524d N \u884c\uff1a\/etc\/inittab \u524d 10 \u884c 1.5 tail \u770b\u540e N \u884c\uff1a\/etc\/inittab \u540e 5 \u884c 1.6 \u7b2c\u4e00\u90e8\u5206\u8bfe\u5802<\/p>\n","protected":false},"author":2,"featured_media":117921,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[13178,868],"topic":[],"class_list":["post-117922","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-1024---","tag-868"],"yoast_head":"\nopenEuler \u6587\u672c\u67e5\u770b + \u8f6f\u94fe\u63a5\/\u786c\u94fe\u63a5\u4fdd\u59c6\u7ea7\u5b9e\u6218\uff1ahead \/ tail \/ more \/ less \u4e0e ln\u3001ln -s \u4e00\u6b21\u641e\u61c2 - 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