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

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

ps -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 root user in GB.

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

Products to which Article Applies

All Linux Operating Systems

tarun boyella