ps aux command in Linux
If you are using Linux and are looking for a tool that can monitor all the processes running on your system, then you should use the command ps aux.
This command will show you an overview of all running processes. It is very useful for troubleshooting the status and health of your system.
If you use the aux shortcut with the ps command, it will display the most information a user would need and can give you the current status of the processes running on your system.
In this article, we will see the ps aux command in Linux. We will discuss the topic using examples and explanations to make the topic easier to understand.
ps aux command in Linux
- ps - Process Status
- a - option to print all users' running processes.
- u - Option to show user or owner column in the output.
- x - option to print processes that have not been executed from the terminal.
Below we explain ps auxthe use of the command and its typical output.
ps aux
Output:
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 1 0.0 0.0 8940 328 ? Ssl 00:45 0:00 /init
root 10 0.0 0.0 8940 224 tty1 Ss 00:46 0:00 /init
author 11 0.1 0.0 18084 3580 tty1 S 00:46 0:00 -bash
author 69 0.0 0.0 18664 1896 tty1 R 00:49 0:00 ps aux
- The USER field defines the purpose of the process.
- The PID field defines the process identifier.
- The %CPU field defines the amount of CPU for the process.
- The field %MEM defines the amount of memory used by the process.
- The field VSZ defines the amount of virtual memory used by the process.
- The RSS field defines the amount of physical memory for the process.
- The TTY field defines the controlling terminal associated with the process.
- The STAT field defines the status information.
- The START field defines the date or time when the process starts.
- The TIME field defines the amount of CPU time used by the process.
- The COMMAND field defines the command currently being run.
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