Doc: Daemon command-line options alphabet order

	<tag><label id="argv-log-file">-D <m/filename of debug log/</tag>

	log debugging information to given file instead of stderr.

	<tag><label id="argv-parse">-p</tag>

	just parse the config file and exit. Return value is zero if the config

	file is valid, nonzero if there are some errors.

	<tag><label id="argv-socket">-s <m/name of communication socket/</tag>

	use given filename for a socket for communications with the client,

	default is <it/prefix/<file>/var/run/bird.ctl</file>.

	<tag><label id="argv-pid">-P <m/name of PID file/</tag>

	create a PID file with given filename.

	<tag><label id="argv-user">-u <m/user/</tag>

	drop privileges and use that user ID, see the next section for details.

	<tag><label id="argv-foreground">-f</tag>

	run bird in foreground.

	<tag><label id="argv-group">-g <m/group/</tag>

	use that group ID, see the next section for details.

	<tag><label id="argv-foreground">-f</tag>

	run bird in foreground.

	<tag><label id="argv-help">-h, --help</tag>

	display command-line options to bird.

	<tag><label id="argv-local">-l</tag>

	look for a configuration file and a communication socket in the current

	working directory instead of in default system locations. However, paths

	specified by options <cf/-c/, <cf/-s/ have higher priority.

	<tag><label id="argv-parse">-p</tag>

	just parse the config file and exit. Return value is zero if the config

	file is valid, nonzero if there are some errors.

	<tag><label id="argv-pid">-P <m/name of PID file/</tag>

	create a PID file with given filename.

	<tag><label id="argv-recovery">-R</tag>

	apply graceful restart recovery after start.

	<tag><label id="argv-socket">-s <m/name of communication socket/</tag>

	use given filename for a socket for communications with the client,

	default is <it/prefix/<file>/var/run/bird.ctl</file>.

	<tag><label id="argv-user">-u <m/user/</tag>

	drop privileges and use that user ID, see the next section for details.

	<tag><label id="argv-version">--version</tag>

	display bird version.

	<tag><label id="argv-help">-h, --help</tag>

	display command-line options to bird.

</descrip>

<p>BIRD writes messages about its work to log files or syslog (according to config).