sys_bus(5) File Formats Manual sys_bus(5) NAME /sys/bus/ - system buses SYNOPSIS /sys/bus/ DESCRIPTION This directory contains one subdirectory for each of the bus types in the kernel. Inside each of these directories are two subdirectories: devices This subdirectory contains symbolic links to entries in /sys/devices that correspond to the devices discovered on this bus. drivers This subdirectory contains one subdirectory for each device driver that is loaded on this bus. STANDARDS Linux. HISTORY Linux 2.6.0. SEE ALSO sysfs(5) Linux man-pages 6.20 2026-09-09 sys_bus(5)