The systool
command is a Linux utility that displays detailed information about devices in a system based on bus, class, and topology. It is a useful tool for system administrators to identify and troubleshoot issues related to hardware devices.
Overview
The systool
command is used to display information about devices in a system based on their bus, class, and topology. This command is particularly useful for system administrators who need to troubleshoot hardware-related issues.
To use the systool
command, simply open a terminal window and type the following command:
systool
This will display a list of all devices in the system, along with detailed information about each device. The output is organized by bus, class, and topology, making it easy to navigate and understand.
For example, to view information about all devices on the PCI bus, you can use the following command:
systool -c pci
This will display a list of all devices on the PCI bus, along with detailed information about each device.
To view information about a specific device, you can use the following command:
systool -v -d <device>
Replace <device>
with the name of the device you want to view information about. This will display detailed information about the specified device.
Options
The systool
command has several options that can be used to customize its behavior. The following table lists all available options for this command:
Option | Description |
---|---|
-c | Display devices for a specific class |
-d | Display information for a specific device |
-m | Display devices for a specific module |
-v | Display verbose information |
-h | Display help information |
Troubleshooting Tips
If you encounter issues with the systool
command, there are a few troubleshooting tips you can try:
- Make sure you are running the command as a privileged user (i.e., root).
- Check the syntax of the command to ensure it is correct.
- Ensure that the device you are trying to view information about is installed and functioning properly.
Notes
- The
systool
command is only available on systems that use the sysfs file system. - The output of the
systool
command can be quite lengthy, so it may be useful to redirect the output to a file for easier analysis.