vs[n | p | r | v] number[,number[, . . . ]]
The vs command adds a new interrupt vector to the list of intercepted vectors. Vectors set by this command do not intercept interrupts that occur at ring 0.
n
Lists the traps that beep when encountered.
p
Lists the protected-mode vectors only.
r
Lists the real-mode vectors only.
v
Lists the virtual 8086 (V86) mode vectors only.
number
Specifies the interrupt vector to intercept.