The Linux permissions model has two special access modes called suid (set user id) and sgid (set group id).

Linux权限模型有两个特殊的访问模式，名为suid(设置用户id)和sgid(设置组id)。

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All the set user ID (SUID) bit commands and programs shipped in AIX V7.1 have this feature enabled automatically, and no further configurations are required from an end user.

在AIXV7.1中，所有设置用户ID (SUID)位命令和程序都自动地启用此特性，不需要最终用户进一步配置。

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This allows a set-user-ID (other than root) program to drop all of its user privileges, do some un-privileged work, and then re-engage the original effective user ID in a secure manner.

这使set-user-ID（非根）程序能够放弃它的所有用户特权，执行一些非特权操作，然后恢复原来的有效用户ID。

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This allows a set-user-ID (other than root) program to drop all of its user privileges, do some un-privileged work, and then re-engage the original effective user ID in a secure manner.

这使set-user-ID（非根）程序能够放弃它的所有用户特权，执行一些非特权操作，然后恢复原来的有效用户ID。

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