.\" Copyright 2017, Michael Kerrisk .\" Copyright, the authors of the Linux man-pages project .\" .\" SPDX-License-Identifier: Linux-man-pages-copyleft .\" .TH sys_fs 5 2026-09-09 "Linux man-pages 6.20" .SH NAME /sys/fs/ \- filesystems .SH SYNOPSIS .I /sys/fs/ .SH DESCRIPTION This directory contains subdirectories for some filesystems. A filesystem will have a subdirectory here only if it chose to explicitly create the subdirectory. .TP .I /sys/fs/cgroup/ See .BR sys_fs_cgroup (5). .TP .I /sys/fs/smackfs/ See .BR sys_fs_smackfs (5). .SH STANDARDS Linux. .SH HISTORY Linux 2.6.0. .SH SEE ALSO .BR sysfs (5)