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DEALLOCVT(1) General Commands Manual DEALLOCVT(1)

deallocvt - deallocate unused virtual consoles

deallocvt [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.

chvt(1), openvt(1)

17 Mar 1997