linux link (ln) 的用法 : ln -s <目标文件> <link_name>

本文详细解释了Linux中使用ln命令创建符号链接的功能,特别关注了使用选项-s来创建软链接的方法。通过实例演示,帮助读者区分目标文件与链接名,并避免常见混淆。

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linux link (ln) 的用法 : ln -s <目标文件> <link_name>

总之,目标文件(被link的文件或文件夹)永远在前面,

我总是把两者弄混淆。。。
$ sudo systemctl status systemd-resolved ● systemd-resolved.service - Network Name Resolution Loaded: loaded (/usr/lib/systemd/system/systemd-resolved.service; enabled;> Active: active (running) since Mon 2025-07-14 03:09:10 CST; 13h ago Docs: man:systemd-resolved.service(8) man:org.freedesktop.resolve1(5) https://www.freedesktop.org/wiki/Software/systemd/writing-network-> https://www.freedesktop.org/wiki/Software/systemd/writing-resolver> Main PID: 661 (systemd-resolve) Status: "Processing requests..." Tasks: 1 (limit: 9378) Memory: 8.1M (peak: 8.6M) CPU: 628ms CGroup: /system.slice/systemd-resolved.service └─661 /usr/lib/systemd/systemd-resolved 7月 14 03:09:10 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Negative > 7月 14 03:09:10 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Using sys> 7月 14 03:09:10 zengyi-VMware-Virtual-Platform systemd[1]: Started systemd-reso> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: ens33: Bu> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: ens33: Bu> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: ens33: Bu> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Using deg> 7月 14 15:29:00 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Clock cha> 7月 14 15:29:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Clock cha> 7月 14 15:30:10 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Using deg> ...skipping... Active: active (running) since Mon 2025-07-14 03:09:10 CST; 13h ago Docs: man:systemd-resolved.service(8) man:org.freedesktop.resolve1(5) https://www.freedesktop.org/wiki/Software/systemd/writing-network-> https://www.freedesktop.org/wiki/Software/systemd/writing-resolver> Main PID: 661 (systemd-resolve) Status: "Processing requests..." Tasks: 1 (limit: 9378) Memory: 8.1M (peak: 8.6M) CPU: 628ms CGroup: /system.slice/systemd-resolved.service └─661 /usr/lib/systemd/systemd-resolved 7月 14 03:09:10 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Negative > 7月 14 03:09:10 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Using sys> 7月 14 03:09:10 zengyi-VMware-Virtual-Platform systemd[1]: Started systemd-reso> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: ens33: Bu> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: ens33: Bu> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: ens33: Bu> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Using deg> 7月 14 15:29:00 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Clock cha> 7月 14 15:29:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Clock cha> 7月 14 15:30:10 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Using deg> ...skipping... Active: active (running) since Mon 2025-07-14 03:09:10 CST; 13h ago Docs: man:systemd-resolved.service(8) man:org.freedesktop.resolve1(5) https://www.freedesktop.org/wiki/Software/systemd/writing-network-> https://www.freedesktop.org/wiki/Software/systemd/writing-resolver> Main PID: 661 (systemd-resolve) Status: "Processing requests..." Tasks: 1 (limit: 9378) Memory: 8.1M (peak: 8.6M) CPU: 628ms CGroup: /system.slice/systemd-resolved.service └─661 /usr/lib/systemd/systemd-resolved 7月 14 03:09:10 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Negative > 7月 14 03:09:10 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Using sys> 7月 14 03:09:10 zengyi-VMware-Virtual-Platform systemd[1]: Started systemd-reso> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: ens33: Bu> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: ens33: Bu> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: ens33: Bu> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Using deg> 7月 14 15:29:00 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Clock cha> 7月 14 15:29:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Clock cha> 7月 14 15:30:10 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Using deg> ...skipping... Active: active (running) since Mon 2025-07-14 03:09:10 CST; 13h ago Docs: man:systemd-resolved.service(8) man:org.freedesktop.resolve1(5) https://www.freedesktop.org/wiki/Software/systemd/writing-network-> https://www.freedesktop.org/wiki/Software/systemd/writing-resolver> Main PID: 661 (systemd-resolve) Status: "Processing requests..." Tasks: 1 (limit: 9378) Memory: 8.1M (peak: 8.6M) CPU: 628ms CGroup: /system.slice/systemd-resolved.service └─661 /usr/lib/systemd/systemd-resolved 7月 14 03:09:10 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Negative > 7月 14 03:09:10 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Using sys> 7月 14 03:09:10 zengyi-VMware-Virtual-Platform systemd[1]: Started systemd-reso> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: ens33: Bu> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: ens33: Bu> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: ens33: Bu> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Using deg> 7月 14 15:29:00 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Clock cha> 7月 14 15:29:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Clock cha> 7月 14 15:30:10 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Using deg> ...skipping... Active: active (running) since Mon 2025-07-14 03:09:10 CST; 13h ago Docs: man:systemd-resolved.service(8) man:org.freedesktop.resolve1(5) https://www.freedesktop.org/wiki/Software/systemd/writing-network-> https://www.freedesktop.org/wiki/Software/systemd/writing-resolver> Main PID: 661 (systemd-resolve) Status: "Processing requests..." Tasks: 1 (limit: 9378) Memory: 8.1M (peak: 8.6M) CPU: 628ms CGroup: /system.slice/systemd-resolved.service └─661 /usr/lib/systemd/systemd-resolved 7月 14 03:09:10 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Negative > 7月 14 03:09:10 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Using sys> 7月 14 03:09:10 zengyi-VMware-Virtual-Platform systemd[1]: Started systemd-reso> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: ens33: Bu> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: ens33: Bu> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: ens33: Bu> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Using deg> 7月 14 15:29:00 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Clock cha> 7月 14 15:29:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Clock cha> 7月 14 15:30:10 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Using deg> ...skipping... Active: active (running) since Mon 2025-07-14 03:09:10 CST; 13h ago Docs: man:systemd-resolved.service(8) man:org.freedesktop.resolve1(5) https://www.freedesktop.org/wiki/Software/systemd/writing-network-> https://www.freedesktop.org/wiki/Software/systemd/writing-resolver> Main PID: 661 (systemd-resolve) Status: "Processing requests..." Tasks: 1 (limit: 9378) Memory: 8.1M (peak: 8.6M) CPU: 628ms CGroup: /system.slice/systemd-resolved.service └─661 /usr/lib/systemd/systemd-resolved 7月 14 03:09:10 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Negative > 7月 14 03:09:10 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Using sys> 7月 14 03:09:10 zengyi-VMware-Virtual-Platform systemd[1]: Started systemd-reso> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: ens33: Bu> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: ens33: Bu> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: ens33: Bu> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Using deg> 7月 14 15:29:00 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Clock cha> 7月 14 15:29:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Clock cha> 7月 14 15:30:10 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Using deg> ...skipping... Active: active (running) since Mon 2025-07-14 03:09:10 CST; 13h ago Docs: man:systemd-resolved.service(8) man:org.freedesktop.resolve1(5) https://www.freedesktop.org/wiki/Software/systemd/writing-network-> https://www.freedesktop.org/wiki/Software/systemd/writing-resolver> Main PID: 661 (systemd-resolve) Status: "Processing requests..." Tasks: 1 (limit: 9378) Memory: 8.1M (peak: 8.6M) CPU: 628ms CGroup: /system.slice/systemd-resolved.service └─661 /usr/lib/systemd/systemd-resolved 7月 14 03:09:10 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Negative > 7月 14 03:09:10 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Using sys> 7月 14 03:09:10 zengyi-VMware-Virtual-Platform systemd[1]: Started systemd-reso> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: ens33: Bu> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: ens33: Bu> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: ens33: Bu> 7月 14 03:09:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Using deg> 7月 14 15:29:00 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Clock cha> 7月 14 15:29:14 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Clock cha> 7月 14 15:30:10 zengyi-VMware-Virtual-Platform systemd-resolved[661]: Using deg> lines 3-25/25 (END) 卡在这里不动了
07-15
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