devfs man page on SmartOS

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DEVFS(7FS)							    DEVFS(7FS)

NAME
       devfs - Devices file system

DESCRIPTION
       The  devfs  filesystem  manages	a  name space of all devices under the
       Solaris operating  environment  and  is	mounted	 during	 boot  on  the
       /devices name space.

       The  /devices  name  space is dynamic and reflects the current state of
       accessible devices under the Solaris operating environment.  The	 names
       of all attached device instances are present under /devices.

       The  content under /devices is under the exclusive control of the devfs
       filesystem and cannot be changed.

       The system may be configured to include a device in one of two ways:
	 By  means  of	dynamic	 reconfiguration  (DR),	 using,	 for  example,
	 cfgadm(1M).
	 For   devices	 driven	  by   driver.conf(4)  enumeration,  edit  the
	 driver.conf file to add a new entry, then use update_drv(1M) to cause
	 the  system to re-read the driver.conf file and thereby enumerate the
	 instance.

       The device may be attached through a number of system  calls  and  pro‐
       grams,  including open(2), stat(2) and ls(1). During device attach, the
       device driver typically creates minor nodes corresponding to the device
       via ddi_create_minor_node(9F). If the attach is successful, one or more
       minor nodes referring to the device are created under /devices.

       Operations like mknod(2), mkdir(2) and creat(2) are  not	 supported  in
       /devices.

FILES
       /devices
		   Mount point for devfs file system

SEE ALSO
       devfsadm(1M), vfstab(4), attach(9E)

NOTES
       The /devices name space cannot be unmounted.

       All  content  at	 or below the /devices name space is an implementation
       artifact and subject to incompatible change or removal without  notifi‐
       cation.

				 Oct 26, 2004			    DEVFS(7FS)
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