.B SUBSYSTEM
Match the kernel subsystem name.
.TP
+.B ACTION
+Match the kernel action name.
+.TP
.B DRIVER
Match the kernel driver name.
.TP
The permissions for the device node. Every specified value overwrites the
compiled-in default value.
.TP
+.B RUN
+Add a program to the list of programs to be executed for a specific device.
+.TP
.B OPTIONS
.B last_rule
will be the last rule applied. No later rules will have any effect.
.BI %s{ filename }
The content of a sysfs attribute.
.TP
+.B %r
+The udev_root value.
+.TP
.B %e
If a device node already exists with the name, the smallest positive
decimal integer N is substituted such that the resulting name doesn't
.B UDEV_LOG
Overrides the log priority specified in the config file.
.TP
+.B UDEV_RUN
+If set to "0", it disables the execution of programs added by rules.
+.TP
.B UDEV_NO_DEVD
The default behavior of
.B udev
.nf
/sbin/udev udev program
/etc/udev/* udev config files
-/etc/hotplug.d/default/udev.hotplug hotplug symlink to udev program
/etc/dev.d/* programs invoked by udev
.fi
.SH "SEE ALSO"