[Devel] [PATCH rh7] tty: vzcon -- Add container dummy console support

[Vladimir Davydov]

On Tue, Jun 16, 2015 at 01:18:24PM +0300, Cyrill Gorcunov wrote:
> In PCS6 we have a console emulation via virtual tty code
> (VTTY option in config file). The code of vtty is very
> close to standart pty (unix98 terminals) but on new kernels
> the pty code has been heavily modified due to changes in
> tty layer itself.

Could you please explain the difference between vtty and standard pty in
PCS6? In other words, why was vtty introduced initially? Why couldn't we
just use a pty instead?