# proc_bus - man(5) - [phpMan]

[_proc_bus_(5)](https://www.chedong.com/phpMan.php/man/procbus/5/markdown)                              File Formats Manual                             [_proc_bus_(5)](https://www.chedong.com/phpMan.php/man/procbus/5/markdown)

## NAME
       /proc/bus/ - installed buses

## DESCRIPTION
       _/proc/bus/_
              Contains subdirectories for installed buses.

       _/proc/bus/pccard/_
              Subdirectory for PCMCIA devices when **CONFIG_PCMCIA **is set at kernel compilation time.

       _/proc/bus/pccard/drivers_

       _/proc/bus/pci/_
              Contains  various bus subdirectories and pseudo-files containing information about PCI
              buses, installed devices, and device drivers.  Some of these files are not ASCII.

       _/proc/bus/pci/devices_
              Information about PCI devices.  They may be accessed through [**lspci**(8)](https://www.chedong.com/phpMan.php/man/lspci/8/markdown) and [**setpci**(8)](https://www.chedong.com/phpMan.php/man/setpci/8/markdown).

## SEE ALSO
       [**proc**(5)](https://www.chedong.com/phpMan.php/man/proc/5/markdown)

Linux man-pages 6.7                          2023-08-15                                  [_proc_bus_(5)](https://www.chedong.com/phpMan.php/man/procbus/5/markdown)