PostgreSQL

20.18. Short Options
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20.18. Short Options

For convenience there are also single letter command-line option switches available for some parameters. They are described in Table 20.4. Some of these options exist for historical reasons, and their presence as a single-letter option does not necessarily indicate an endorsement to use the option heavily.

Table 20.4. Short Option Key

Short Option Equivalent

Short Option	Equivalent
+-B +`+x+`	+shared_buffers = +`+x+`
+-d +`+x+`	+log_min_messages = DEBUG+`+x+`
`-e`	`datestyle = euro`
`-fb`, `-fh`, `-fi`, `-fm`, `-fn`, `-fo`, `-fs`, `-ft`	`enable_bitmapscan = off`, `enable_hashjoin = off`, `enable_indexscan = off`, `enable_mergejoin = off`, `enable_nestloop = off`, `enable_indexonlyscan = off`, `enable_seqscan = off`, `enable_tidscan = off`
`-F`	`fsync = off`
+-h +`+x+`	+listen_addresses = +`+x+`
`-i`	`listen_addresses = '*'`
+-k +`+x+`	+unix_socket_directories = +`+x+`
`-l`	`ssl = on`
+-N +`+x+`	+max_connections = +`+x+`
`-O`	`allow_system_table_mods = on`
+-p +`+x+`	+port = +`+x+`
`-P`	`ignore_system_indexes = on`
`-s`	`log_statement_stats = on`
+-S +`+x+`	+work_mem = +`+x+`
`-tpa`, `-tpl`, `-te`	`log_parser_stats = on`, `log_planner_stats = on`, `log_executor_stats = on`
+-W +`+x+`	+post_auth_delay = +`+x+`

+-B +`+x+`

+shared_buffers = +`+x+`

+-d +`+x+`

+log_min_messages = DEBUG+`+x+`

-e

datestyle = euro

-fb, -fh, -fi, -fm, -fn, -fo, -fs, -ft

enable_bitmapscan = off, enable_hashjoin = off, enable_indexscan = off, enable_mergejoin = off, enable_nestloop = off, enable_indexonlyscan = off, enable_seqscan = off, enable_tidscan = off

-F

fsync = off

+-h +`+x+`

+listen_addresses = +`+x+`

-i

listen_addresses = '*'

+-k +`+x+`

+unix_socket_directories = +`+x+`

-l

ssl = on

+-N +`+x+`

+max_connections = +`+x+`

-O

allow_system_table_mods = on

+-p +`+x+`

+port = +`+x+`

-P

ignore_system_indexes = on

-s

log_statement_stats = on

+-S +`+x+`

+work_mem = +`+x+`

-tpa, -tpl, -te

log_parser_stats = on, log_planner_stats = on, log_executor_stats = on

+-W +`+x+`

+post_auth_delay = +`+x+`

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20.17. Developer Options	Home	Chapter 21. Client Authentication

20.17. Developer Options

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