Penguin
Annotated edit history of EffectiveID version 3, including all changes. View license author blame.
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3 CraigBox 1 The effective [UID]/[GID] is the user (or group) that a process's privilege checks are done against. For instance if a user ''bob'' runs a program that is [SUID] ''charlie'' then the effective user ID of the process is ''charlie'', not ''bob'' since the process is running with ''charlie''s permissions. Compare [RealID].
1 PerryLorier 2
3 !!SEE ALSO
4 geteuid(2), getegid(2)