DEALLOCVT(1) General Commands Manual DEALLOCVT(1)

deallocvt - deallocate unused virtual consoles

deallocvt [option...] [N ...]

The command deallocvt deallocates kernel memory and data structures for all unused virtual consoles. If one or more arguments N ... are given, only the corresponding consoles /dev/ttyN are deallocated.

A virtual console is unused if it is not the foreground console, and no process has it open for reading or writing, and no text has been selected on its screen.

-V, --version
print program version and exit.
-h, --help
show this text and exit.

chvt(1), openvt(1)
17 Mar 1997 kbd