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PostgreSQL 9.6.24 Documentation
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III. PostgreSQL Server Applications

This part contains reference information for PostgreSQL server applications and support utilities. These commands can only be run usefully on the host where the database server resides. Other utility programs are listed in Reference II, PostgreSQL Client Applications.

Table of Contents
initdb -- create a new PostgreSQL database cluster
pg_archivecleanup -- clean up PostgreSQL WAL archive files
pg_controldata -- display control information of a PostgreSQL database cluster
pg_ctl -- initialize, start, stop, or control a PostgreSQL server
pg_resetxlog -- reset the write-ahead log and other control information of a PostgreSQL database cluster
pg_rewind -- synchronize a PostgreSQL data directory with another data directory that was forked from it
pg_test_fsync -- determine fastest wal_sync_method for PostgreSQL
pg_test_timing -- measure timing overhead
pg_upgrade -- upgrade a PostgreSQL server instance
pg_xlogdump -- display a human-readable rendering of the write-ahead log of a PostgreSQL database cluster
postgres -- PostgreSQL database server
postmaster -- PostgreSQL database server

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