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udevinfo


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, the udev_root will be prepended.

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

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

       -n name
              Specify the name of the node or the symlink 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     Dump the whole database.

       -h     Print help text.


FILES

       /etc/udev/*  udev config files


SEE ALSO

       udev(8)


AUTHORS

       udevinfo was developed primarily by Kay Sievers <kay.sievers@vrfy.org>,
       with help from others.

                                 January 2004                      UDEVINFO(8)

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