Linux In The Shell aims to explore the use of many commands a user can run in the Bash Shell. Tutorials include a write up with examples, an audio component about the write up, and a video component to demonstrate the usage of the command.
The website is https://www.linuxintheshell.com/
The time program is a handy tool to not only gauge how much time in seconds it takes a program to run, but will also display how much user CPU time and system CPU time was used to execute the process. To understand these values you must grasp how the kernel handles the time reporting for the process. For example, the output of:
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