.\" Copyright 1994-1995, Daniel Quinlan .\" Copyright 2002-2017, Michael Kerrisk .\" Copyright, the authors of the Linux man-pages project .\" .\" SPDX-License-Identifier: GPL-3.0-or-later .\" .TH proc_pid_uid_map 5 2026-02-08 "Linux man-pages 6.19" .SH NAME /proc/pid/gid_map, /proc/pid/uid_map \- user and group ID mappings .SH DESCRIPTION .TP .IR /proc/ pid /gid_map " (since Linux 3.5)" See .BR user_namespaces (7). .TP .IR /proc/ pid /uid_map " (since Linux 3.5)" See .BR user_namespaces (7). .SH SEE ALSO .BR proc (5)