What does the time command do in Linux?

The time command is used to determine how long a given command takes to run. It is useful for testing the performance of your scripts and commands.

What is System Time Linux?

In Linux, time is managed in two ways: system time and hardware time. The system time is managed by a system clock and the hardware time is managed by a hardware clock. To view your system time, date and timezone, use the date command as follows.