What is ps command in Linux? ps command is used to list the currently running processes and their PIDs along with some other information depends on different options. It reads the process information from the virtual files in /proc file-system. /proc contains virtual files, this is the reason it’s referred as a virtual file system.
What is ps command for? The ps command enables you to check the status of active processes on a system, as well as display technical information about the processes. This data is useful for administrative tasks such as determining how to set process priorities.
What are the ps command options?
|-d||Displays all processes with the exception of session leaders.|
|-e||Displays all processes.|
|-f||Displays a full listing.|
|-glist||Displays data for the list of group leader IDs.|
How do I list all processes in Ubuntu? Type the ps aux command to see all running process in Ubuntu Linux.