U | |||
uniqueMember ( ) | |||
UNIX 系统用户和组 ( ) | |||
UNIX 传送 ( ) | |||
unrestricted ( ) | |||
unrestricted 通道关键字 ( ) | |||
UpgradeMsg5toMsg6.pl ( ) | |||
UpgradeMsg5toMsg6.pl ( ) | |||
urgentbackoff ( ) | |||
urgentbackoff 通道关键字 ( ) | |||
urgentblocklimit ( ) | |||
urgentblocklimit 通道关键字 ( ) | |||
urgentnotices ( ) | |||
urgentnotices 通道关键字 ( ) | |||
USE_CHECK ( ) | |||
USE_DOMAIN_DATABASE, 启用直接 LDAP ( ) | |||
USE_FORWARD_DATABASE ( ) ( ) ( ) | |||
USE_REVERSE_DATABASE ( ) ( ) ( ) ( ) | |||
启用直接 LDAP ( ) | |||
use_text_databases ( ) | |||
useconfig 实用程序 ( ) | |||
useintermediate ( ) | |||
usercertfilter ( ) | |||
uucp ( ) | |||
UUCP 地址重写规则 ( ) |