list all active processes in unix using ps command

Unix ps command is used to list down  the currently running process in the system.

There are various flags ps is used with . Most commonly used flag with ps are -e and -f

-e : This option is used to list all the threads

-f : This option is used to list the complete format of the process.

Usage :

          ps -ef

This might return a huge list of processes , the ideal way is if you know the terms in the process format like "java" and grep on that .

Usage :

          ps -ef | grep java