system: Linux mars.sprixweb.com 3.10.0-1160.119.1.el7.x86_64 #1 SMP Tue Jun 4 14:43:51 UTC 2024 x86_64

cmd: 

                  ------------------------------
                   What's new in screen-4.0.3 ?
                  ------------------------------

* zombie command has new option 'onerror'

* buffer overflow in resize.c fixed

* minor docu update

* more robust startup

* use setresuid; SendAttachMsg() for fd-passing added; DoCSI enhanced.

                  ------------------------------
                   What's new in screen-4.0.0 ?
                  ------------------------------

* new screenrc parser, not 100% compatible.

* screenblanker support: new 'idle', 'blanker', 'blankerprg'
  commands.

* zmodem support via the 'zmodem' command.

* nonblock code rewritten, nonblock now understands a timeout.
  new command 'defnonblock'.