timed

The timed command line tool is used to measure the execution time of other command line tools or scripts. It is commonly used in situations where you want to evaluate the performance of a command or a script.

When timed is invoked, it executes the specified command or script and measures the time it takes to complete execution. It provides the user with the elapsed real time, system time, and user time.

The real time represents the actual time taken for the command or script to execute, including any delays or waiting time. System time indicates the time spent by the CPU executing system calls on behalf of the command or script, while user time represents the CPU time used directly by the command or script.

The output of timed includes these three time measurements along with other information such as the process ID, exit status, and command line used. This information can be helpful for analyzing the performance of different commands and optimizing resource usage.

Overall, timed is a useful utility for benchmarking and monitoring the execution time of command line tools or scripts in order to improve program efficiency and execution speed.