'\" te
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.TH UTMPX 5 "April 9, 2016"
.SH NAME
utmpx, wtmpx \- utmpx and wtmpx database entry formats
.SH SYNOPSIS
.LP
.nf
\fB#include <utmpx.h>\fR
\fB/var/adm/utmpx\fR
\fB/var/adm/wtmpx\fR
.fi

.SH DESCRIPTION
.LP
The \fButmpx\fR and \fBwtmpx\fR files are extended database files that have
superseded the obsolete \fButmp\fR and \fBwtmp\fR database files.
.sp
.LP
The \fButmpx\fR database contains user access and accounting information for
commands such as \fBwho\fR(1), \fBwrite\fR(1), and \fBlogin\fR(1). The
\fBwtmpx\fR database contains the history of user access and accounting
information for the  \fButmpx\fR database.
.SH USAGE
.LP
Applications should not access these databases directly, but should use the
functions described on the \fBgetutxent\fR(3C) manual page to interact with the
\fButmpx\fR and \fBwtmpx\fR databases to ensure that they are maintained
consistently.
.SH FILES
.ne 2
.na
\fB\fB/var/adm/utmpx\fR\fR
.ad
.RS 18n
user access and administration information
.RE

.sp
.ne 2
.na
\fB\fB/var/adm/wtmpx\fR\fR
.ad
.RS 18n
history of user access and administrative information
.RE

.SH SEE ALSO
.LP
.BR getutxent (3C),
.BR wait (3C),
.BR wait.h (3HEAD)