Should have no effect.
}
+\b \I{Repeat key exchange, SSH special command}Repeat key exchange
+
+\lcont{
+Only available in SSH-2. Forces a repeat key exchange immediately (and
+resets associated timers and counters). For more information about
+repeat key exchanges, see \k{config-ssh-kex-rekey}.
+}
+
\b \I{Break, SSH special command}Break
\lcont{
the clear.
In order to use this feature, you will need an X display server for
-your Windows machine, such as X-Win32 or Exceed. This will probably
+your Windows machine, such as Cygwin/X, X-Win32, or Exceed. This will probably
install itself as display number 0 on your local machine; if it
doesn't, the manual for the \i{X server} should tell you what it
does do.
\S{using-cleanup} \i\c{-cleanup}
+\cfg{winhelp-topic}{options.cleanup}
+
If invoked with the \c{-cleanup} option, rather than running as
normal, PuTTY will remove its \I{removing registry entries}registry
-entries and \I{random seed file} from the local machine (after
+entries and \i{random seed file} from the local machine (after
confirming with the user).
+Note that on \i{multi-user systems}, \c{-cleanup} only removes
+registry entries and files associated with the currently logged-in
+user.
+
\S{using-general-opts} Standard command-line options
PuTTY and its associated tools support a range of command-line
protocol version as \q{1 only} or \q{2 only} in the SSH panel of the
PuTTY configuration box (see \k{config-ssh-prot}).
+\S2{using-cmdline-ipversion} \i\c{-4} and \i\c{-6}: specify an
+\i{Internet protocol version}
+
+The \c{-4} and \c{-6} options force PuTTY to use the older Internet
+protocol \i{IPv4} or the newer \i{IPv6}.
+
+These options are equivalent to selecting your preferred Internet
+protocol version as \q{IPv4} or \q{IPv6} in the Connection panel of
+the PuTTY configuration box (see \k{config-address-family}).
+
\S2{using-cmdline-identity} \i\c{-i}: specify an SSH \i{private key}
The \c{-i} option allows you to specify the name of a private key