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getpid.2: Minor wording fix: clarify that PID is the acronym for "process ID"
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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@ -35,7 +35,7 @@ getpid, getppid \- get process identification
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.B pid_t getppid(void);
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.SH DESCRIPTION
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.BR getpid ()
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returns the process ID of the calling process.
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returns the process ID (PID) of the calling process.
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(This is often used by
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routines that generate unique temporary filenames.)
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.PP
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