What is the difference between ps and pid in linux?

The difference between ps and pid in Linux is: 1. ps is a command used to view the running processes in the current system, and pid represents the unique identifier of the process; 2. Use the ps command to obtain Detailed information about the process, using pid to distinguish and manage different processes.

The operating system of this tutorial: Linux5.18.14 system, Dell G3 computer.

In Linux, ps is a command used to view the processes running in the current system, and pid represents the unique identifier of the process.

Specifically, their differences are as follows:

1. ps: represents "Process Status", which is used to view the status of the processes running in the current system. Order. It can list the processes in the system and provide detailed information about the processes, such as process ID (PID), parent process ID (PPID), CPU usage, memory usage, etc.

2. pid: Represents the process ID, which is a unique identifier assigned by the system to each running process. Each process has a unique PID, which can be used as a basis for identifying and managing the process. The PID is a non-negative integer and is unique system-wide.

In summary, ps is a command used to view the status of the process, and pid is the unique identifier representing the process. You can use the ps command to get detailed information about a process, and use pid to distinguish and manage different processes.

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