NAME(名稱)

deallocvt - 釋放未使用的虛擬終端

SYNOPSIS(總覽)

deallocvt [ N1 N2 ... ]

DESCRIPTION(描述)

如果不指定參數(shù), deallocvt 程序會釋放所有未使用的虛擬終端的核心內(nèi)存和數(shù)據(jù)結(jié)構(gòu). 如果給定了參數(shù) Ni 那么就只釋放TTY /dev/ttyNi.

如果一個虛擬終端不是前臺控制臺,而且沒有在上面打開進(jìn)程執(zhí)行讀或?qū)懖僮?又沒有在該屏幕上選擇文本,那么認(rèn)為該終端是未使用的.

SEE ALSO(另見)

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)