@cindex Name
@item Name = <@var{name}> [required]
This is a symbolic name for this connection.
-The name should consist only of alfanumeric and underscore characters (a-z, A-Z, 0-9 and _).
+The name should consist only of alfanumeric and underscore characters (a-z, A-Z, 0-9 and _), and is case sensitive.
If Name starts with a $, then the contents of the environment variable that follows will be used.
In that case, invalid characters will be converted to underscores.
If Name is $HOST, but no such environment variable exist,
-the hostname will be read using the gethostnname() system call.
+the hostname will be read using the gethostname() system call.
@cindex PingInterval
@item PingInterval = <@var{seconds}> (60)
Lock tinc into main memory.
This will prevent sensitive data like shared private keys to be written to the system swap files/partitions.
+This option is not supported on all platforms.
+
@item --logfile[=@var{file}]
Write log entries to a file instead of to the system logging facility.
If @var{file} is omitted, the default is @file{@value{localstatedir}/log/tinc.@var{netname}.log}.
Note also that tinc can't run scripts anymore (such as tinc-down or host-up),
unless it's setup to be runnable inside chroot environment.
+This option is not supported on all platforms.
@item -U, --user=@var{user}
Switch to the given @var{user} after initialization, at the same time as
chroot is performed (see --chroot above). With this option tinc drops
privileges, for added security.
+This option is not supported on all platforms.
+
@item --help
Display a short reminder of these runtime options and terminate.
Export all host configuration files to standard output.
@item import [--force]
-Import host configuration file(s) from standard input.
+Import host configuration file(s) generated by the tincctl export command from standard input.
Already existing host configuration files are not overwritten unless the option --force is used.
@item start [tincd options]