.\" 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_kcore 5 (date) "Linux man-pages (unreleased)" .SH NAME /proc/kcore \- physical memory .SH DESCRIPTION .TP .I /proc/kcore This file represents the physical memory of the system and is stored in the ELF core file format. With this pseudo-file, and an unstripped kernel .RI ( /usr/src/linux/vmlinux ) binary, GDB can be used to examine the current state of any kernel data structures. .IP The total length of the file is the size of physical memory (RAM) plus 4\ KiB. .SH SEE ALSO .BR proc (5)