sys_fs(5) File Formats Manual sys_fs(5) NAME /sys/fs/ - filesystems SYNOPSIS /sys/fs/ DESCRIPTION This directory contains subdirectories for some filesystems. A filesystem will have a subdirectory here only if it chose to explicitly create the subdirectory. /sys/fs/cgroup/ See sys_fs_cgroup(5). /sys/fs/smackfs/ See sys_fs_smackfs(5). STANDARDS Linux. HISTORY Linux 2.6.0. SEE ALSO sysfs(5) Linux man-pages 6.20 2026-09-09 sys_fs(5)