NAME(名称)
deallocvt - 释放未使用的虚拟终端
SYNOPSIS(总览)
deallocvt [ N1 N2 ... ]
DESCRIPTION(描述)
如果不指定参数, deallocvt 程序会释放所有未使用的虚拟终端的核心内存和数据结构. 如果给定了参数 Ni 那么就只释放TTY /dev/ttyNi.
如果一个虚拟终端不是前台控制台,而且没有在上面打开进程执行读或写操作,又没有在该屏幕上选择文本,那么认为该终端是未使用的.
SEE ALSO(另见)
chvt(1), openvt(1).
#p#
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)