![]() Understanding these commands and their differences is crucial for effective system administration and troubleshooting. If you need a more concise output, ps -ef would be the better choice. If you need more detailed information, ps aux is the way to go. The choice between them depends on the level of detail you require. Conclusionīoth ps -ef and ps aux are powerful commands for monitoring processes in Unix and Linux systems. ps -ef displays the UID, while ps aux displays the username. ps -ef provides a more concise output, while ps aux provides more detailed information about the processes.Īnother key difference is the way they display user information. ![]() The main difference between ps -ef and ps aux lies in the format of the output. COMMAND: The command that started this process.START: Starting time or date of the process.RSS: Resident set size, the non-swapped physical memory that a task has used.VSZ: Virtual memory usage of entire process.%MEM: The percentage of RAM used by this job.%CPU: The percentage of the CPU that this job got.This column should be the last one specified, if it is desired. ![]() The output columns for ps aux are: USER, PID, %CPU, %MEM, VSZ, RSS, TTY, STAT, START, TIME, and COMMAND. args The command line given when the process was created. x: Also show processes not attached to a terminal.On the other hand, ps aux also displays all processes of all users, but in a user-oriented format. CMD: The command that started this process.TTY: Terminal type associated with the process.PPID: Parent process ID (the process that launched this process).UID: User ID that this process belongs to.The output columns are: UID, PID, PPID, C, STIME, TTY, TIME, and CMD. So, ps -ef will display all processes in a full format listing. -f: This stands for “full format listing”.Scott should issue the ps -ef command to see all his background jobs. -e: This option is for selecting all processes. What symbol should he add to his command that runs the program in order to.The ps -ef command is used to display all the currently running processes in the system. It is used to provide information about the currently running processes, including their process identification numbers (PIDs). ![]()
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