Analysis of aux and-ef parameters in Linux PS

The analysis of the aux and-ef parameters of Linux PS has always thought that ps aux can list all running processes. Recently, we found that there are still some defects. The results obtained by using ps aux and-ef are different, try to use the-ef parameter later. This is the case. I use/bmrt/blaph/bmgctl to start the process, because ps aux displays the results in BSD format, therefore, only/bmrt/blaph/blapp may be displayed, and all the following are truncated. In this way, if you use ps aux | grep bmgctl to filter the process, it may be accidentally hurt and the bmgctl process cannot be obtained. Ps-ef uses the full-format System V format to display the process name with full path, and bmgctl is displayed, the process can be fully displayed under the ps-ef | grep bmgctl command.