Section 7: overview, conventions, and miscellany
Bugzilla plugin for abrt(8) Description abrt is a daemon that watches for application crashes. When a crash occurs, it collects the crash data and takes action according to its configuration. This manual page describes the Bugzilla plugin for abrt. This plugin is used to report the crash to a Bugzilla instance. The plugin will determine…
Xsecurity – X display access control Overview X provides mechanism for implementing many access control systems. The sample implementation includes five mechanisms: Host Access Simple host-based access control. MIT-MAGIC-COOKIE-1 Shared plain-text "cookies". XDM-AUTHORIZATION-1 Secure DES based private-keys. SUN-DES-1 Based on Sun’s secure rpc system. Server Interpreted Server-dependent methods of access control Not all of these…
XStandards – X Window System Standards and Specifications Description The major goal of the X Consortium was to promote cooperation within the computer industry in the creation of standard software interfaces at all layers in the X Window System environment. The X Consortium produced standards – documents which defined network protocols, programming interfaces, and other…
X.Org, XProjectTeam – X.Org Group information Synopsis Release 6.5 and 6.6 of X Version 11 was brought to you by The X.Org Group. Release 6.4 of X Version 11 was brought to you by The X Project Team. Description The Open Group’s X Project Team was created as the successor to the X Consortium, Inc.,…
XOrgFoundation – X.Org Foundation information Synopsis Release 6.7 and later of X Version 11 is brought to you by the X.Org Foundation. Description The X.Org Foundation is an independent, not-for-profit 501(c)(3) charity corporation. It was formed in 2004 as the successor to the X.Org Group at The Open Group. The purpose of the X.Org Foundation…
XConsortium – X Consortium information Synopsis Releases 6.0 through 6.3 of X Version 11 were brought to you by the X Consortium, Inc. Description The X Consortium was an independent, not-for-profit Delaware membership corporation. It was formed in 1993 as the successor to the MIT X Consortium. The purpose of the X Consortium was to…
X – a portable, network-transparent window system Overview The X Window System is a network transparent window system which runs on a wide range of computing and graphics machines. It should be relatively straightforward to build the X.Org Foundation software distribution on most ANSI C and POSIX compliant systems. Commercial implementations are also available for…
SELECT, TABLE, WITH – retrieve rows from a table or view Synopsis [ WITH [ RECURSIVE ] with_query [, …] ] SELECT [ ALL | DISTINCT [ ON ( expression [, …] ) ] ] * | expression [ [ AS ] output_name ] [, …] [ FROM from_item [, …] ] [ WHERE condition…
VALUES – compute a set of rows Synopsis VALUES ( expression [, …] ) [, …] [ ORDER BY sort_expression [ ASC | DESC | USING operator ] [, …] ] [ LIMIT { count | ALL } ] [ OFFSET start [ ROW | ROWS ] ] [ FETCH { FIRST | NEXT }…
VACUUM – garbage-collect and optionally analyze a database Synopsis VACUUM [ FULL ] [ FREEZE ] [ VERBOSE ] [ table ] VACUUM [ FULL ] [ FREEZE ] [ VERBOSE ] ANALYZE [ table [ (column [, …] ) ] ] Description VACUUM reclaims storage occupied by dead tuples. In normal PostgreSQL operation, tuples…
UPower – System-wide Power Management Description UPower provides an interface to enumerate power sources on the system and control system-wide power management. Any application can access the org.freedesktop.UPower service on the system message bus. Author Written by David Zeuthen <davidz [at] redhat.com>, Richard Hughes <richard [at] hughsie.com> and with a lot of help from many…
UPDATE – update rows of a table Synopsis UPDATE [ ONLY ] table [ [ AS ] alias ] SET { column = { expression | DEFAULT } | ( column [, …] ) = ( { expression | DEFAULT } [, …] ) } [, …] [ FROM fromlist ] [ WHERE condition |…
UNLISTEN – stop listening for a notification Synopsis UNLISTEN { name | * } Description UNLISTEN is used to remove an existing registration for NOTIFY events. UNLISTEN cancels any existing registration of the current PostgreSQL session as a listener on the notification name. The special wildcard * cancels all listener registrations for the current session….
TRUNCATE – empty a table or set of tables Synopsis TRUNCATE [ TABLE ] [ ONLY ] name [, … ] [ RESTART IDENTITY | CONTINUE IDENTITY ] [ CASCADE | RESTRICT ] Description TRUNCATE quickly removes all rows from a set of tables. It has the same effect as an unqualified DELETE on each…
SELECT, TABLE, WITH – retrieve rows from a table or view Synopsis [ WITH [ RECURSIVE ] with_query [, …] ] SELECT [ ALL | DISTINCT [ ON ( expression [, …] ) ] ] * | expression [ [ AS ] output_name ] [, …] [ FROM from_item [, …] ] [ WHERE condition…
standards – C and UNIX Standards Description The CONFORMING TO section that appears in many manual pages identifies various standards to which the documented interface conforms. The following list briefly describes these standards. V7 Version 7 (also known as Seventh Edition) UNIX, released by AT&T/Bell Labs in 1979. After this point, UNIX systems diverged into…
START TRANSACTION – start a transaction block Synopsis START TRANSACTION [ transaction_mode [, …] ] where transaction_mode is one of: ISOLATION LEVEL { SERIALIZABLE | REPEATABLE READ | READ COMMITTED | READ UNCOMMITTED } READ WRITE | READ ONLY Description This command begins a new transaction block. If the isolation level or read/write mode is…
SHOW – show the value of a run-time parameter Synopsis SHOW name SHOW ALL Description SHOW will display the current setting of run-time parameters. These variables can be set using the SET statement, by editing the postgresql.conf configuration file, through the PGOPTIONS environmental variable (when using libpq or a libpq-based application), or through command-line flags…
SET TRANSACTION – set the characteristics of the current transaction Synopsis SET TRANSACTION transaction_mode [, …] SET SESSION CHARACTERISTICS AS TRANSACTION transaction_mode [, …] where transaction_mode is one of: ISOLATION LEVEL { SERIALIZABLE | REPEATABLE READ | READ COMMITTED | READ UNCOMMITTED } READ WRITE | READ ONLY Description The SET TRANSACTION command sets the…
SET SESSION AUTHORIZATION – set the session user identifier and the current user identifier of the current session Synopsis SET [ SESSION | LOCAL ] SESSION AUTHORIZATION username SET [ SESSION | LOCAL ] SESSION AUTHORIZATION DEFAULT RESET SESSION AUTHORIZATION Description This command sets the session user identifier and the current user identifier of the…