Section: POSIX Programmer's Manual (1P)
This manual page is part of the POSIX Programmer's Manual.
The Linux implementation of this interface may differ (consult
the corresponding Linux manual page for details of Linux behavior),
or the interface may not be implemented on Linux.
--- write process times
utility shall write the accumulated user and system times for the shell
and for all of its child processes, in the following POSIX locale
"%dm%fs %dm%fs\n%dm%fs %dm%fs\n", <shell user minutes>,
<shell user seconds>, <shell system minutes>,
<shell system seconds>, <children user minutes>,
<children user seconds>, <children system minutes>,
<children system seconds>
The four pairs of times shall correspond to the members of the
structure (defined in the Base Definitions volume of POSIX.1-2008,
Chapter 13, Headers)
as returned by
See the DESCRIPTION.
The standard error shall be used only for diagnostic messages.
CONSEQUENCES OF ERRORS
The following sections are informative.
special built-in from the Single UNIX Specification is now required
for all conforming shells.
, Special Built-In Utilities
The Base Definitions volume of POSIX.1-2008,
Portions of this text are reprinted and reproduced in electronic form
from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology
-- Portable Operating System Interface (POSIX), The Open Group Base
Specifications Issue 7, Copyright (C) 2013 by the Institute of
Electrical and Electronics Engineers, Inc and The Open Group.
(This is POSIX.1-2008 with the 2013 Technical Corrigendum 1 applied.) In the
event of any discrepancy between this version and the original IEEE and
The Open Group Standard, the original IEEE and The Open Group Standard
is the referee document. The original Standard can be obtained online at
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