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Linux用户ID和组ID
在 Linux 系统中,用户和组 ID 用于识别进程和文件的访问权限。每个进程都有与之关联的实际用户 ID、实际组 ID、有效用户 ID、有效组 ID 以及附属组 ID。 实际用户 ID (Real User ID, UID) 定义:实际用户 ID 是启动进程的用户的 ID。 作用:标识执行该进程的用户。
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