.\" Copyright (C) 1994, 1995, Daniel Quinlan .\" Copyright (C) 2002-2008, 2017, Michael Kerrisk .\" Copyright (C) 2023, Alejandro Colomar .\" .\" SPDX-License-Identifier: GPL-3.0-or-later .\" .TH proc_pid_personality 5 2023-08-15 "Linux man-pages 6.7" .SH NAME /proc/pid/personality \- execution domain .SH DESCRIPTION .TP .IR /proc/ pid /personality " (since Linux 2.6.28)" .\" commit 478307230810d7e2a753ed220db9066dfdf88718 This read-only file exposes the process's execution domain, as set by .BR personality (2). The value is displayed in hexadecimal notation. .IP Permission to access this file is governed by a ptrace access mode .B PTRACE_MODE_ATTACH_FSCREDS check; see .BR ptrace (2). .SH SEE ALSO .BR proc (5)