ps: add more info
ps: add more info

with -x you can now see pgrp, sid, tty, which has been invaluable in debugging.

At some point this needs to be redone to let you specify your display but this
is very helpful for now.

Signed-off-by: Ronald G. Minnich <f569d0af9a3481c4007b95c7180d6c41009f2513@gmail.com>

hugelgupf/u-root,u-root/u-root,GanShun/u-root,GanShun/u-root,rminnich/u-root,hugelgupf/u-root,hugelgupf/u-root,rminnich/u-root,u-root/u-root,rminnich/u-root,hugelgupf/u-root,GanShun/u-root,u-root/u-root,rminnich/u-root