ref: 79e24f5ee56c7abc31942615e587f97f8ac1a313
dir: /sys/lib/wiki/mkfile/
sandbox:V:
{
echo Sandbox
echo D^`{date -n}
echo Agre '(204.178.31.2)'
echo '#This page exists to be modified. Use it to test the server.'
} >sandbox
<d/L.2 {
cp sandbox d/2
cp sandbox d/2.hist
}