pg_controldata.1

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.\\" auto-generated by docbook2man-spec $Revision: 1.1.1.1 $
.TH "PG_CONTROLDATA" "1" "2008-01-03" "Application" "PostgreSQL Server Applications"
.SH NAME
pg_controldata \- display control information of a PostgreSQL database cluster

.SH SYNOPSIS
.sp
\fBpg_controldata\fR [ \fB\fIdatadir\fB\fR ] 
.SH "DESCRIPTION"
.PP
\fBpg_controldata\fR prints information initialized during
\fBinitdb\fR, such as the catalog version and server locale.
It also shows information about write-ahead logging and checkpoint 
processing. This information is cluster-wide, and not specific to any one
database.
.PP
This utility may only be run by the user who initialized the cluster because
it requires read access to the data directory.
You can specify the data directory on the command line, or use 
the environment variable \fBPGDATA\fR.
.SH "ENVIRONMENT"
.TP
\fBPGDATA\fR
Default data directory location