function::task_parent - Linux
Overview
The task_parent command displays the parent process ID of the specified task or process. It’s a useful tool for debugging and analyzing process relationships in Linux systems.
Syntax
task_parent <pid>
where:
<pid>
: The process ID (PID) of the process whose parent you want to find.
Options/Flags
No options or flags are available for this command.
Examples
To find the parent process of a running process with PID 12345:
task_parent 12345
This will print the PID of the parent process, e.g.:
23456
Common Issues
- Permission denied: If you don’t have sufficient permissions to access the process information, you may receive a "permission denied" error.
- Invalid PID: If you specify an invalid PID, the command will return an error message.
Integration
The task_parent command can be used with other process-related commands, such as ps and top, to gather additional information about processes and their relationships.
Related Commands
- ps: Shows the running processes.
- top: Provides a real-time overview of the system’s processes.
- pstree: Displays a hierarchical tree of processes.