.\" 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_projid_map 5 2026-02-08 "Linux man-pages 6.18" .SH NAME /proc/pid/projid_map \- project ID mappings .SH DESCRIPTION .TP .IR /proc/ pid /projid_map " (since Linux 3.7)" .\" commit f76d207a66c3a53defea67e7d36c3eb1b7d6d61d See .BR user_namespaces (7). .SH SEE ALSO .BR proc (5)