.TH SYSTOOL 1 "October 12, 2003" "Martin Pitt"
.SH NAME
systool \- view system device information by bus, class, and topology

.SH SYNOPSIS
.B systool
[\fIoptions \fR[\fIdevice\fR]]

.SH DESCRIPTION
Calling
.B systool
without parameters will present all available bus types, device
classes, and root devices.
.P
When
.I device
is supplied, the information reqested by
.I options
is shown only for the specified device, otherwise all present devices
are displayed.
.P
.B systool 
uses APIs provided by 
.B libsysfs 
to gather information.
.B systool 
runs only on Linux systems running kernels 2.5 or later, with the sysfs 
filesystem mounted.

.SH OPTIONS
.TP
.B \-a
Show attributes of the requested resource
.TP
.B \-b \fIbus
Show information for a specific bus
.TP
.B \-c \fIclass
Show information for a specific class
.TP
.B \-d
Show only devices
.TP
.B \-h
Show usage
.TP
.B \-p
Show absolute sysfs path to the resource
.TP
.B \-r \fIroot_device
Show a specific root device tree
.TP
.B \-v
Show all attributes with values
.TP
.B \-A \fIattribute
Show attribute value for the requested resource
.TP
.B \-C
Show device's children
.TP
.B \-D
Show only drivers
.TP
.B \-P
Show device's parent

.SH SEE ALSO
.P
The web page of
.B libsysfs
at http://linux\-diag.sourceforge.net/Sysfsutils.html

.SH AUTHOR
.B systool
was written by Ananth Mavinakayanahalli <ananth@in.ibm.com> and
Daniel Stekloff <dsteklof@us.ibm.com>.
.P
This man page was contributed by Martin Pitt <mpitt@debian.org> for
the Debian GNU/Linux system (but may be used by others).