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UDEVINFO(8)              Linux Administrator's Manual              UDEVINFO(8)



NAME
       udevinfo - retrieve information from udev

SYNOPSIS
       udevinfo [-q query_type -p sysfs_path] [-drVh]

DESCRIPTION
       udevinfo allows users to query the udev database for information on any
       device currently present on the system.  It  also  provides  a  way  to
       query any device in the sysfs tree to help creating udev rules.

OPTIONS
       -V     Print the version information.

       -r     Print  the  udev_root directory. When used in conjunction with a
              query for the node name or the symlink names, the udev_root will
              be prepended to query result.

       -q query_type
              Query  the database for specified value of a created device node
              or network interface.  Needs -p or -n specified.
              Valid types are: name, symlink, path or all.

       -p sysfs_path
              Specify the sysfs path of the device to query.

       -n name
              Specify the name of the node, the symlink or the network  inter-
              face for the device to query. Partition names generated with the
              NAME{all_partitons} option can not be queried, the  main  device
              must be used instead.

       -a     Print  all  SYSFS{filename}  attributes  along the device chain.
              Useful for finding unique attributes to compose a  rule.   Needs
              -p specified.

       -d     Print the relationship between the devpath and the node name for
              all devices currently available in the database.

       -h     Print help text.

FILES
       /etc/udev/*  udev config files

SEE ALSO
       udev(8)

AUTHORS
       udevinfo was developed primarily by Kay Sievers <kay.sieversATvrfy.org>,
       with help from others.



                                 January 2004                      UDEVINFO(8)