linux man page for deallocvt

DEALLOCVT(1)						      General Commands Manual						      DEALLOCVT(1)

NAME
       deallocvt - deallocate unused virtual consoles

SYNOPSIS
       deallocvt [N ...]

DESCRIPTION
       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.

SEE ALSO
       chvt(1), openvt(1)

								    17 Mar 1997 						      DEALLOCVT(1)