The ps command enables you to check the status of active processes on a system, and also display technical information about the processes. This data is useful for administrative tasks, such as determining how to set process priorities.
The ps command includes options to report the following information:
The following list describes some fields that are reported by the ps command. The fields that are displayed depend on which option you choose. For a description of all available options, see the ps(1) man page.
The address of the proc structure.
The processor utilization for scheduling. This field is not displayed when the –c option is used.
The command that generated the process.
The process ID.
The parent process ID.
The starting time of the process in hours, minutes, and seconds.
The virtual address size of the process.
The effective user ID of the owner of the process.
The address of an event or lock for which the process is sleeping.