/usr/bin/Xorg is in xserver-xorg-core-lts-xenial 2:1.18.3-1ubuntu2.3~trusty4.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 | #!/bin/sh
#
# Execute Xorg.wrap if it exists otherwise execute Xorg directly.
# This allows distros to put the suid wrapper in a separate package.
basedir=/usr/lib/xorg
if [ -x "$basedir"/Xorg.wrap ]; then
exec "$basedir"/Xorg.wrap "$@"
else
exec "$basedir"/Xorg "$@"
fi
|