Linux and Unix time command
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Used to time a simple command.
Note: If you are trying to display the time in Unix / Linux or a variant use the date command.
time [-p] utility [argument]
| -p | Write the timing output to standard error in the following format: real %f\nuser %f\nsys %f\n < real seconds>, <user seconds>, <system seconds> |
| utility | The name of the utility that is to be invoked. |
| argument | Any string to be supplied as an argument when invoking utility. |