|Linux Standard Base Core Specification, Generic Part|
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This section specifies behaviors that are mandatory in one of the standards on which this specification relies, but which are optional in this specification.
POSIX 1003.1-2008 (ISO/IEC 9945-2009) describes the behavior of the file access
time, available as the
st_atime field of
the stat and stat64
structures. An LSB conforming implementation need not update this
information every time a file is accessed.
Note: A subsequent edition of the POSIX standard no longer mandates updating of
st_atimebut the older edition is still the guiding standard for this specification, thus this exception is needed.