devfs.rules - devfs configuration information
For devices available at boot, see devfs.conf5.
The format of this file is simple. Empty lines and lines beginning with a hash sign (`#' ) are ignored. A line between brackets denotes the start of a ruleset. In the brackets should be the name of the ruleset and its number, separated by an equal sign.
Other lines are rule specifications as documented in devfs(8), in the section Sx Rule Specification . These lines are prepended with ``rule '' and are passed to devfs(8) by the startup scripts of the system. It is important to put path elements that contain glob(3) special characters between quotes.
Rulesets should have a unique name and number.
All rules that follow a ruleset declaration belong to that ruleset, until a new ruleset is started.
One custom ruleset has to be enabled in /etc/rc.conf otherwise it will not be applied to the /dev file system by the default system startup process. For example, to enable a ``localrules '' ruleset for the /dev file system, you would have to use something like this in your rc.conf file:
devfs_system_ruleset="localrules"
"[localrules=10]"
"add path 'da*s*' mode 0660 group usb"
The first line declares and starts a new ruleset, with the name localrules and the number 10.
To make all the uscanner(4) devices accessible to their owner and the ``usb '' group, a similar rule may be used:
"add path 'uscanner*' mode 0660 group usb"
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