time: Setting Format

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1 1.1 Setting the Output Format
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1 
1 'time' uses a "format string" to determine which information to display
1 about the resources used by the command it runs.  ⇒Format String,
1 for the interpretation of the format string contents.
1 
1    You can specify a format string with the command line options listed
1 below.  If no format is specified on the command line, but the 'TIME'
1 environment variable is set, its value is used as the format string.
1 Otherwise, the default format built into 'time' is used:
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1      %Uuser %Ssystem %Eelapsed %PCPU (%Xtext+%Ddata %Mmax)k
1      %Iinputs+%Ooutputs (%Fmajor+%Rminor)pagefaults %Wswaps
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1    The command line options to set the format are:
1 
1 '-f FORMAT'
1 '--format=FORMAT'
1      Use FORMAT as the format string.
1 
1 '-p'
1 '--portability'
1      Use the following format string, for conformance with POSIX
1      standard 1003.2:
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1           real %e
1           user %U
1           sys %S
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1 '-v'
1 '--verbose'
1      Use the built-in verbose format, which displays each available
1      piece of information on the program's resource use on its own line,
1      with an English description of its meaning.
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