/usr/games/xphalanx is in phalanx 22+d051004-13.1.
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 | #!/bin/sh
if [ -x /usr/games/xboard ]; then
/usr/games/xboard -fcp /usr/games/phalanx
else
x-terminal-emulator -e /usr/games/phalanx
fi
|