.Op Ar command
.Pp
.Nm ssh
-.Op Fl afgknqtvxCPX246
+.Op Fl afgknqtvxCNPTX246
.Op Fl c Ar cipher_spec
.Op Fl e Ar escape_char
.Op Fl i Ar identity_file
needs to ask for a password or passphrase; see also the
.Fl f
option.)
+.It Fl N
+Do not execute a remote command.
+This is usefull if you just want to forward ports
+(protocol version 2 only).
.It Fl o Ar option
Can be used to give options in the format used in the config file.
This is useful for specifying options for which there is no separate
This can be used to execute arbitrary
screen-based programs on a remote machine, which can be very useful,
e.g., when implementing menu services.
+.It Fl T
+Disable pseudo-tty allocation (protocol version 2 only).
.It Fl v
Verbose mode.
Causes