To summarize detailed system resource usage for a given command on a Linux or Unix system, you can use the time command.
The time command measures the elapsed time, user CPU time, and system CPU time used by a command or program. It provides a summary of these resource usage statistics when the command or program completes.
For example, to measure the resource usage of the find command, you can use the following command:
time find / -type f
This will run the find command and display a summary of the resource usage statistics when it completes, including the elapsed time, user CPU time, and system CPU time.
You can also use the -v option to display a more detailed summary of the resource usage statistics. For example:
time -v find / -type f
This will display additional statistics, such as the maximum resident set size (RSS) and the average resident set size (RSS).
Keep in mind that the time command only measures the resource usage of the command or program that it is invoked with. If the command or program spawns additional processes, the resource usage of those processes will not be included in the summary.
You can also use other tools, such as top, ps, or htop, to monitor resource usage in real-time or to get more detailed information about specific processes.