LINUX: "ps" Command To List Cumulative Used Memory In GB For All Processes Owned By All NON ROOT Users On Linux (How To Doc)

Below "ps" Command can be used to list cumulative used Memory in GB for all non root users on Linux Hosts.

ps -N -U root --no-headers  -o rss | (tr '\n' +; echo 0) | bc | while read -r rss; do echo $((rss/1024/1024))"GB"; done

Below is example output of above command which shows cumulative used memory for all non root users in GB.

ps -N -U root --no-headers  -o rss | (tr '\n' +; echo 0) | bc | while read -r rss; do echo $((rss/1024/1024))"GB"; done
21 GB

Products to which Article Applies

All Linux Operating Systems

tarun boyella