pstree Linux Command Guide
The pstree command in Linux allows users to view a structured tree diagram of all running processes on the system. By displaying parent-child relationships, pstree provides a clear overview of the process hierarchy, making it easier to understand how different processes are related and organized. This can be particularly useful for troubleshooting, monitoring system performance, and managing processes effectively.
pstree Syntax:
Section titled “pstree Syntax:”pstree [option] [pid]Options:
Section titled “Options:”| Option | Description |
|---|---|
| -a | Show command line arguments |
| -c | Show the command name |
| -h | Highlight the current process |
| -l | Use long format |
| -n | Sort by PID |
| -p | Show PIDs |
| -u | Display UID |
| -v | Display PPID |
Parameters:
Section titled “Parameters:”| Parameter | Description |
|---|---|
| pid | Specify the process ID to start |
pstree Command Samples:
Section titled “pstree Command Samples:”Display the process tree
Section titled “Display the process tree”pstreeThis command displays the current process tree in a hierarchical format.
Display the process tree with a specific PID
Section titled “Display the process tree with a specific PID”pstree -p 1234This command displays the process tree starting from the process with PID 1234.
Display the process tree with additional information
Section titled “Display the process tree with additional information”pstree -aThis command displays the process tree with additional information such as the process’s full command line.
Display the process tree recursively
Section titled “Display the process tree recursively”pstree -hThis command displays the process tree in a format suitable for viewing on the terminal.
Display the process tree with ASCII characters
Section titled “Display the process tree with ASCII characters”pstree -AThis command displays the process tree using ASCII characters for better readability.
Display the process tree along with CPU usage
Section titled “Display the process tree along with CPU usage”pstree -cThis command shows the process tree along with CPU usage information.
Display the process tree with user/group details
Section titled “Display the process tree with user/group details”pstree -ugThis command displays the process tree along with user and group details for each process.
How do I use pstree in Linux?
Section titled “How do I use pstree in Linux?”To use the pstree command in Linux, execute the following command:
pstreeWhat is the purpose of the pstree command?
Section titled “What is the purpose of the pstree command?”The pstree command displays running processes as a tree. It shows the relationship between processes, with the parent-child hierarchy represented visually.
How can I display the process tree of a specific process ID with pstree?
Section titled “How can I display the process tree of a specific process ID with pstree?”You can display the process tree for a specific process ID by using the following command:
pstree -p <PID>Can I display the pstree with full path names of processes?
Section titled “Can I display the pstree with full path names of processes?”Yes, you can display the pstree with full path names of processes by using the following command:
pstree -aHow can I show the pstree with the user that owns each process?
Section titled “How can I show the pstree with the user that owns each process?”To show the pstree with the user that owns each process, you can use the following command:
pstree -uIs there a way to display the pstree with the command line arguments of processes?
Section titled “Is there a way to display the pstree with the command line arguments of processes?”You can display the pstree with the command line arguments of processes by using the following command:
pstree -cApplications of the pstree command
Section titled “Applications of the pstree command”- Displaying a tree of processes
- Highlighting the relationship between processes
- Providing a visual representation of the process hierarchy
- Identifying parent and child processes
- Monitoring process relationships