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zxy16305 avatar zxy16305 commented on July 26, 2024

  • man指令查询的代号代表的内容 ： {1：用户在shell环境中可以操作的指令或可执行文件，5：配置文件或者是某些文件的格式，8：系统管理员可用的管理指令} （可使用 man man 看得更清楚）
    在man中搜索则使用 /string （向下搜索）和 ?string（向上搜索），同时 n,N 分别控制搜寻下一个和上一个

  • /usr 的全写是 Unix Software Resource 😂

  • source /etc/profile 使得修改的配置文件生效(也可以用点命令)

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