Raymond Ops
Feb 24, 2025 · Fundamentals
Understanding Linux Process Permissions: Real, Effective, and Saved UID Explained
This article explains how Linux processes inherit and manage user identities, detailing the roles of real, effective, and saved set user IDs, how they affect file access permissions, and demonstrates the execution flow of internal and external commands, including setuid examples.
LinuxProcess PermissionsUID
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