# man > systemd-hwdb(8)

[SYSTEMD-HWDB(8)](https://www.chedong.com/phpMan.php/man/SYSTEMD-HWDB/8/markdown)                             systemd-hwdb                             [SYSTEMD-HWDB(8)](https://www.chedong.com/phpMan.php/man/SYSTEMD-HWDB/8/markdown)



## NAME
       systemd-hwdb - hardware database management tool

## SYNOPSIS
### systemd-hwdb [options] update

       **systemd-hwdb** **[options]** **query** _modalias_

## DESCRIPTION
       **systemd-hwdb** expects a command and command specific arguments. It manages the binary hardware
       database.

## OPTIONS
### --usr
           Generate in /lib/udev instead of /etc/udev.

### -r --root=
           Alternate root path in the filesystem.

### -s --strict
           When updating, return non-zero exit value on any parsing error.

### -h --help
           Print a short help text and exit.

   **systemd-hwdb** **[**_options_] update
       Update the binary database.

   **systemd-hwdb** **[**_options_] query [_MODALIAS_]
       Query database and print result.

## SEE ALSO
       [**hwdb**(7)](https://www.chedong.com/phpMan.php/man/hwdb/7/markdown)



systemd 249                                                                          [SYSTEMD-HWDB(8)](https://www.chedong.com/phpMan.php/man/SYSTEMD-HWDB/8/markdown)