The following is a demonstration of the swapinfo.d script,
# ./swapinfo.d
RAM _______Total 511 MB
RAM Unusable 8 MB
RAM Kernel 128 MB
RAM Locked 0 MB
RAM Used 256 MB
RAM Free 118 MB
Disk _______Total 1023 MB
Disk Resv 626 MB
Disk Avail 397 MB
Swap _______Total 1335 MB
Swap Resv 626 MB
Swap Avail 709 MB
Swap (Minfree) 62 MB
The output above gives a summary of the state of virtual memory (swap)
on the system.