---
name: "proc_pid_personality"
section: "5"
platform: "linux"
package: "man-pages"
version: "6.19-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/proc_pid_personality"
---

# proc\_pid\_personality(5)

execution domain

## NAME

/proc/pid/personality - execution domain

## DESCRIPTION

- */proc/*pid*/personality* (since Linux 2.6.28)

  This read-only file exposes the process's execution domain, as set by [**personality**(2)](/personality/2.md). The value is displayed in hexadecimal notation.

-

  Permission to access this file is governed by a ptrace access mode **PTRACE\_MODE\_ATTACH\_FSCREDS** check; see [**ptrace**(2)](/ptrace/2.md).

## SEE ALSO

[**proc**(5)](/proc/5.md)