The prtstat command is used to display process information. It is a useful tool for system administrators and developers to monitor processes running on a system, including their resource usage and performance metrics.
Overview
The prtstat command displays information about all processes running on a system. By default, it displays the following information:
- Process ID (PID)
- CPU usage (%CPU)
- Memory usage (%MEM)
- Command name (CMD)
Here is the basic syntax for using the prtstat command:
prtstat [options]
Examples
- Display information about all processes:
prtstat
- Display information about a specific process using its PID:
prtstat -p 1234
- Display process information continuously at a specified interval:
prtstat -t 5
Specific use cases
- Monitoring CPU and memory usage of processes
- Identifying resource-intensive processes
- Troubleshooting performance issues
Options
The following options are available for the prtstat command:
| Option | Description |
|---|---|
-a |
Display information about all processes. |
-p PID |
Display information about a specific process using its PID. |
-t INTERVAL |
Display process information continuously at a specified interval (in seconds). |
-u USERNAME |
Display information about processes owned by a specific user. |
-h |
Display help information about the command. |
Troubleshooting tips
- If the
prtstatcommand is not installed on your system, you can install it using your package manager. For example, on Ubuntu-based systems, you can install it using the following command:
sudo apt-get install procps
- If you are not seeing any output from the
prtstatcommand, try running it with elevated privileges usingsudo.
Notes
- The
prtstatcommand is included in theprocpspackage on most Linux distributions. - The
prtstatcommand is similar to thetopcommand, but provides more detailed information about individual processes.