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-.\" Copyright (C) 1994, 1995, Daniel Quinlan <quinlan@yggdrasil.com>
-.\" Copyright (C) 2002-2008, 2017, Michael Kerrisk <mtk.manpages@gmail.com>
-.\" Copyright (C) 2023, Alejandro Colomar <alx@kernel.org>
-.\"
-.\" SPDX-License-Identifier: GPL-3.0-or-later
-.\"
-.TH proc_pid_environ 5 (date) "Linux man-pages (unreleased)"
-.SH NAME
-/proc/pid/environ \- initial environment
-.SH DESCRIPTION
-.TP
-.IR /proc/ pid /environ
-This file contains the initial environment that was set
-when the currently executing program was started via
-.BR execve (2).
-The entries are separated by null bytes (\[aq]\e0\[aq]),
-and there may be a null byte at the end.
-Thus, to print out the environment of process 1, you would do:
-.IP
-.in +4n
-.EX
-.RB "$" " cat /proc/1/environ | tr \[aq]\e000\[aq] \[aq]\en\[aq]"
-.EE
-.in
-.IP
-If, after an
-.BR execve (2),
-the process modifies its environment
-(e.g., by calling functions such as
-.BR putenv (3)
-or modifying the
-.BR environ (7)
-variable directly),
-this file will
-.I not
-reflect those changes.
-.IP
-Furthermore, a process may change the memory location that this file refers via
-.BR prctl (2)
-operations such as
-.BR PR_SET_MM_ENV_START .
-.IP
-Permission to access this file is governed by a ptrace access mode
-.B PTRACE_MODE_READ_FSCREDS
-check; see
-.BR ptrace (2).
-.SH SEE ALSO
-.BR proc (5)