Magic Free Space

The $FC(0) utility allows you to enter a machine name and see what's free, used and totaled by blocks.

You can use the Operator Menu (OPS) #3, #14 to magnify machine / directory / and prefix destinations.

You can also open a database and loop on the open data prefix : or dictionary prefix & to see what's used in bytes for each prefix. ""^Q^T,DO{>(:[Q],X)^Q (L(Q)+L(X)+TOT)^TOT},N("TotalBytesUsed: "_TOT)^#