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version 1.356, 2015/03/03 06:48:58

version 1.357, 2015/05/06 05:45:17

Line 584

.Xr sftp 1 ) .

The subsystem is specified as the remote command.

.It Fl T

Disable pseudo-tty allocation.

Disable pseudo-terminal allocation.

.It Fl t

Force pseudo-tty allocation.

Force pseudo-terminal allocation.

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.

Line 876

host key is not known or has changed.

.Pp

When the user's identity has been accepted by the server, the server

either executes the given command, or logs into the machine and gives

either executes the given command in a non-interactive session or,

the user a normal shell on the remote machine.

if no command has been specified, logs into the machine and gives

the user a normal shell as an interactive session.

All communication with

the remote command or shell will be automatically encrypted.

.Pp

If a pseudo-terminal has been allocated (normal login session), the

If an interactive session is requested

.Nm

by default will only request a pseudo-terminal (pty) for interactive

sessions when the client has one.

The flags

.Fl T

and

.Fl t

can be used to override this behaviour.

.Pp

If a pseudo-terminal has been allocated the

user may use the escape characters noted below.

.Pp

If no pseudo-tty has been allocated,

If no pseudo-terminal has been allocated,

the session is transparent and can be used to reliably transfer binary data.

On most systems, setting the escape character to

.Dq none