February 2001
Beginner to intermediate
448 pages
9h 2m
English
Content preview from Korn Shell Programming by Example
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time
Official Description
Times the execution of a command.
Syntax
time [-p] command [argument...]
Options
-p writes the timing output to standard error (may not be available on all UNIX variants).
Oddities
The C shell has its own version of this command.
Example
$ time ls b* buzz buzz1 buzz10 buzz2 buzz3 buzz4 real 0m0.02s # Elapsed time user 0m0.00s # User mode processing time sys 0m0.02s # Kernel (system) mode processing time $
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