- tv_sec -- class/module Time -- Time
- tv_usec -- class/module Time -- Time
- type -- class/module Object -- Object
- typealias(alias, type, enc, dec, struct_enc, struct_dec) -- class/module DL::Types -- dl/types.rb
- typealias(newtype, oldtype) -- class/module DL::Importable -- dl/import.rb
- typecode -- class/module URI::FTP -- URI
- typecode=(v) -- class/module URI::FTP -- URI
- typekind -- class/module WIN32OLE_TYPE -- ruby-src:ruby/ext/win32ole/doc/win32ole.rd
- typelibs -- class/module WIN32OLE_TYPE -- ruby-src:ruby/ext/win32ole/doc/win32ole.rd
- u(s) -- class/module ERB::Util -- ERB
- uid -- class/module File::Stat -- File::Stat
- uid -- class/module Process -- Process
- uid= -- class/module Process -- Process
- uid_copy(set, mailbox) -- class/module Net::IMAP -- net/imap.rb
- uid_fetch(set, attr) -- class/module Net::IMAP -- net/imap.rb
- uid_search(keys, charset = nil) -- class/module Net::IMAP -- net/imap.rb
- uid_sort(sort_keys, search_keys, charset) -- class/module Net::IMAP -- net/imap.rb
- uid_store(set, attr, flags) -- class/module Net::IMAP -- net/imap.rb
- umask -- class/module Shell -- ruby-src:ruby/doc/shell.rd.ja
- umask -- class/module Shell -- ruby-src:ruby/doc/shell.rd
- umask([umask]) -- class/module File -- File
- umask値 -- CGI::Session
- unalias_command(ali) -- class/module Shell -- ruby-src:ruby/doc/shell.rd.ja
- unalias_command(ali) -- class/module Shell -- ruby-src:ruby/doc/shell.rd
- unbind -- class/module Method -- Method
- unbind -- class/module UnboundMethod -- UnboundMethod
- undef -- クラス/メソッドの定義
- undef (Ruby用語集) -- Ruby用語集
- undef_method(name) -- class/module Module -- Module
- undef_system_command(command) -- class/module Shell -- ruby-src:ruby/doc/shell.rd.ja
- undef_system_command(command) -- class/module Shell -- ruby-src:ruby/doc/shell.rd
- undefine_finalizer(obj) -- class/module ObjectSpace -- ObjectSpace
- unescape(str) -- class/module URI -- URI
- unescape(string) -- class/module CGI -- CGI
- unescapeElement(string, *element) -- class/module CGI -- CGI
- unescapeHTML(string) -- class/module CGI -- CGI
- ungetc -- class/module StringIO -- StringIO
- ungetc(char) -- class/module IO -- IO
- ungetch(ch) -- class/module Curses -- curses.so
- uniq -- class/module Array -- Array
- uniq! -- class/module Array -- Array
- unit(n) -- class/module Matrix -- Matrix
- unknown -- class/module DRb::DRbUndumped -- dRuby
- unless -- 制御構造
- unless 修飾子 -- 実行
- unless 修飾子 -- 制御構造
- unlink(filename ... ) -- class/module File -- File
- unlink(path) -- class/module Dir -- Dir
- unlink(path) -- class/module Shell -- ruby-src:ruby/doc/shell.rd.ja
- unlink(path) -- class/module Shell -- ruby-src:ruby/doc/shell.rd
- unlock -- class/module Mutex -- Mutex
- unlock(mode = EX) -- class/module Sync_m -- Sync_m
- unpack(template) -- class/module String -- String
- unpack_sockaddr_in(addr) -- class/module Socket -- Socket
- unpack_sockaddr_un(addr) -- class/module Socket -- Socket
- unscan -- class/module StringScanner -- strscan.so
- unshift(obj1[, obj2 ...]) -- class/module Array -- Array
- unsubscribe(mailbox) -- class/module Net::IMAP -- net/imap.rb
- untaint -- class/module Object -- セキュリティモデル
- untaint -- class/module Object -- Object
- untaint_remote -- class/module DRb::DRbConn -- dRuby
- until -- 実行
- until -- 制御構造
- until 修飾子 -- 実行
- until修飾子 -- 制御構造
- untrace_var(varname[, hook]) -- 組込み関数
- upcase -- class/module String -- String
- upcase! -- class/module String -- String
- update(other) -- class/module Hash -- Hash
- update(other) -- class/module GDBM -- GDBM
- update(other) {|key, self_val, other_val| ... } -- class/module Hash -- Hash
- update(str) -- class/module MD5 -- MD5
- update(sw, sopts, lopts, nlopts = nil) -- class/module OptionParser::List -- optparse.rb
- upto(max) {|n| ... } -- class/module Integer -- Integer
- upto(max) {|s| ... } -- class/module String -- String
- upto(max){|date| ...} -- class/module Date -- Date
- uptodate?( newer, older_list, *options ) -- class/module FileUtils -- fileutils.rb
- uri -- class/module DRb::DRbServer -- dRuby
- uri.rb
- uri.rb -- uri.rb
- uri/common.rb
- uri/common.rb -- uri/common.rb
- uri/ftp.rb
- uri/ftp.rb -- uri/ftp.rb
- uri/generic.rb
- uri/generic.rb -- uri/generic.rb
- uri/http.rb
- uri/http.rb -- uri/http.rb
- uri/https.rb
- uri/https.rb -- uri/https.rb
- uri/ldap.rb
- uri/ldap.rb -- uri/ldap.rb
- uri/mailto -- uri/mailto.rb
- uri/mailto.rb
- url_encode(s) -- class/module ERB::Util -- ERB
- usage -- class/module Net::IMAP::MailboxQuota -- net/imap.rb
- use_registry -- class/module URI::Generic -- URI
- usec -- class/module Time -- Time
- user -- class/module Net::IMAP::MailboxACLItem -- net/imap.rb
- user -- class/module URI::Generic -- URI